40872755657072 has 10 divisors (see below), whose sum is σ = 79190964085608. Its totient is φ = 20436377828528.

The previous prime is 40872755656991. The next prime is 40872755657113. The reversal of 40872755657072 is 27075655727804.

It is a super-2 number, since 2×40872755657072² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277273614268 + ... + 1277273614299.

Almost surely, 2^{40872755657072} is an apocalyptic number.

It is an amenable number.

40872755657072 is a deficient number, since it is larger than the sum of its proper divisors (38318208428536).

40872755657072 is a wasteful number, since it uses less digits than its factorization.

40872755657072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554547228575 (or 2554547228569 counting only the distinct ones).

The product of its (nonzero) digits is 230496000, while the sum is 65.

The spelling of 40872755657072 in words is "forty trillion, eight hundred seventy-two billion, seven hundred fifty-five million, six hundred fifty-seven thousand, seventy-two".