40872303945 has 160 divisors (see below), whose sum is σ = 81195561216. Its totient is φ = 19505664000.

The previous prime is 40872303919. The next prime is 40872303973. The reversal of 40872303945 is 54930327804.

40872303945 is a `hidden beast` number, since 408 + 7 + 230 + 3 + 9 + 4 + 5 = 666.

It is not a de Polignac number, because 40872303945 - 2⁷ = 40872303817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 40872303945.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 101925745 + ... + 101926145.

Almost surely, 2^40872303945 is an apocalyptic number.

40872303945 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40872303945 is a deficient number, since it is larger than the sum of its proper divisors (40323257271).

40872303945 is a wasteful number, since it uses less digits than its factorization.

40872303945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

It can be divided in two parts, 4087 and 2303945, that added together give a palindrome (2308032).

The spelling of 40872303945 in words is "forty billion, eight hundred seventy-two million, three hundred three thousand, nine hundred forty-five".