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40024442080 = 255735736109
BaseRepresentation
bin100101010001101001…
…001000010011100000
310211022101001022201201
4211101221020103200
51123432224121310
630215330410544
72614562100340
oct452151102340
9124271038651
1040024442080
1115a79832807
127910130a54
133a0b15c82c
141d19930d20
151093c13e3a
hex951a484e0

40024442080 has 48 divisors (see below), whose sum is σ = 108065996640. Its totient is φ = 13722665472.

The previous prime is 40024442063. The next prime is 40024442119. The reversal of 40024442080 is 8024442004.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17866935 + ... + 17869174.

It is an arithmetic number, because the mean of its divisors is an integer number (2251374930).

Almost surely, 240024442080 is an apocalyptic number.

40024442080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40024442080 is an abundant number, since it is smaller than the sum of its proper divisors (68041554560).

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

40024442080 is a wasteful number, since it uses less digits than its factorization.

40024442080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35736131 (or 35736123 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 40024442080 its reverse (8024442004), we get a palindrome (48048884084).

The spelling of 40024442080 in words is "forty billion, twenty-four million, four hundred forty-two thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 35736109 71472218 142944436 178680545 250152763 285888872 357361090 500305526 571777744 714722180 1000611052 1143555488 1250763815 1429444360 2001222104 2501527630 2858888720 4002444208 5003055260 5717777440 8004888416 10006110520 20012221040 40024442080