40860687557 has 32 divisors (see below), whose sum is σ = 45492088320. Its totient is φ = 36559710720.

The previous prime is 40860687541. The next prime is 40860687589. The reversal of 40860687557 is 75578606804.

40860687557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40860687557 - 2⁴ = 40860687541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40860680557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2879993 + ... + 2894145.

It is an arithmetic number, because the mean of its divisors is an integer number (1421627760).

Almost surely, 2^40860687557 is an apocalyptic number.

40860687557 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

40860687557 is a deficient number, since it is larger than the sum of its proper divisors (4631400763).

40860687557 is a wasteful number, since it uses less digits than its factorization.

40860687557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14333.

The product of its (nonzero) digits is 11289600, while the sum is 56.

The spelling of 40860687557 in words is "forty billion, eight hundred sixty million, six hundred eighty-seven thousand, five hundred fifty-seven".