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2440607664 = 2431110942407
BaseRepresentation
bin1001000101111000…
…1011011110110000
320022002102201022110
42101132023132300
514444243421124
61042102405320
7114323552145
oct22136133660
96262381273
102440607664
111042728730
12581430840
132cb835c61
141921d03cc
15e43e8029
hex9178b7b0

2440607664 has 80 divisors (see below), whose sum is σ = 6941341440. Its totient is φ = 732775680.

The previous prime is 2440607657. The next prime is 2440607699. The reversal of 2440607664 is 4667060442.

2440607664 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36349 + ... + 78755.

It is an arithmetic number, because the mean of its divisors is an integer number (86766768).

Almost surely, 22440607664 is an apocalyptic number.

2440607664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2440607664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3470670720).

2440607664 is an abundant number, since it is smaller than the sum of its proper divisors (4500733776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2440607664 is a wasteful number, since it uses less digits than its factorization.

2440607664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42538 (or 42532 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 39.

The square root of 2440607664 is about 49402.5066570513. The cubic root of 2440607664 is about 1346.3748491412.

The spelling of 2440607664 in words is "two billion, four hundred forty million, six hundred seven thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 109 132 176 218 264 327 436 528 654 872 1199 1308 1744 2398 2616 3597 4796 5232 7194 9592 14388 19184 28776 42407 57552 84814 127221 169628 254442 339256 466477 508884 678512 932954 1017768 1399431 1865908 2035536 2798862 3731816 4622363 5597724 7463632 9244726 11195448 13867089 18489452 22390896 27734178 36978904 50845993 55468356 73957808 101691986 110936712 152537979 203383972 221873424 305075958 406767944 610151916 813535888 1220303832 2440607664