40072756860 has 48 divisors (see below), whose sum is σ = 124670800800. Its totient is φ = 10686068352.

The previous prime is 40072756859. The next prime is 40072756877. The reversal of 40072756860 is 6865727004.

40072756860 is a `hidden beast` number, since 4 + 0 + 0 + 7 + 27 + 568 + 60 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37103865 + ... + 37104944.

It is an arithmetic number, because the mean of its divisors is an integer number (2597308350).

Almost surely, 2^40072756860 is an apocalyptic number.

It is an amenable number.

40072756860 is an abundant number, since it is smaller than the sum of its proper divisors (84598043940).

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

40072756860 is a wasteful number, since it uses less digits than its factorization.

40072756860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74208827 (or 74208819 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 40072756860 in words is "forty billion, seventy-two million, seven hundred fifty-six thousand, eight hundred sixty".