40458685348418 has 16 divisors (see below), whose sum is σ = 67639907394720. Its totient is φ = 18037308638016.

The previous prime is 40458685348409. The next prime is 40458685348439. The reversal of 40458685348418 is 81484358685404.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31314771296 + ... + 31314772587.

It is an arithmetic number, because the mean of its divisors is an integer number (4227494212170).

Almost surely, 2^{40458685348418} is an apocalyptic number.

40458685348418 is a deficient number, since it is larger than the sum of its proper divisors (27181222046302).

40458685348418 is a wasteful number, since it uses less digits than its factorization.

40458685348418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62629543921.

The product of its (nonzero) digits is 471859200, while the sum is 68.

The spelling of 40458685348418 in words is "forty trillion, four hundred fifty-eight billion, six hundred eighty-five million, three hundred forty-eight thousand, four hundred eighteen".