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44431331480 = 2355931873159
BaseRepresentation
bin101001011000010100…
…000101000010011000
311020200111101111111122
4221120110011002120
51211443410101410
632224513344412
73132023041364
oct513024050230
9136614344448
1044431331480
1117930367a68
12873bb68108
1342611655b3
142216d202a4
151250a5de55
hexa58505098

44431331480 has 32 divisors (see below), whose sum is σ = 100139133600. Its totient is φ = 17742552576.

The previous prime is 44431331479. The next prime is 44431331509. The reversal of 44431331480 is 8413313444.

It is a self number, because there is not a number n which added to its sum of digits gives 44431331480.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 912860 + ... + 960299.

It is an arithmetic number, because the mean of its divisors is an integer number (3129347925).

Almost surely, 244431331480 is an apocalyptic number.

44431331480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44431331480 is an abundant number, since it is smaller than the sum of its proper divisors (55707802120).

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

44431331480 is a wasteful number, since it uses less digits than its factorization.

44431331480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873763 (or 1873759 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 44431331480 in words is "forty-four billion, four hundred thirty-one million, three hundred thirty-one thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 593 1186 2372 2965 4744 5930 11860 23720 1873159 3746318 7492636 9365795 14985272 18731590 37463180 74926360 1110783287 2221566574 4443133148 5553916435 8886266296 11107832870 22215665740 44431331480