40254540662664 has 64 divisors (see below), whose sum is σ = 112671742392000. Its totient is φ = 13315751354880.

The previous prime is 40254540662627. The next prime is 40254540662683. The reversal of 40254540662664 is 46626604545204.

40254540662664 is a `hidden beast` number, since 4 + 0 + 2 + 5 + 4 + 5 + 4 + 0 + 6 + 626 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 40254540662664.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 711283209 + ... + 711339800.

It is an arithmetic number, because the mean of its divisors is an integer number (1760495974875).

Almost surely, 2^{40254540662664} is an apocalyptic number.

It is an amenable number.

40254540662664 is an abundant number, since it is smaller than the sum of its proper divisors (72417201729336).

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

40254540662664 is a wasteful number, since it uses less digits than its factorization.

40254540662664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422623155 (or 1422623145 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 54.

The spelling of 40254540662664 in words is "forty trillion, two hundred fifty-four billion, five hundred forty million, six hundred sixty-two thousand, six hundred sixty-four".