40575566557504 has 28 divisors (see below), whose sum is σ = 87836879878848. Its totient is φ = 18443439344000.

The previous prime is 40575566557483. The next prime is 40575566557597.

40575566557504 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28817873272 + ... + 28817874679.

Almost surely, 2^{40575566557504} is an apocalyptic number.

40575566557504 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40575566557504 is an abundant number, since it is smaller than the sum of its proper divisors (47261313321344).

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

40575566557504 is a wasteful number, since it uses less digits than its factorization.

40575566557504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57635747974 (or 57635747964 counting only the distinct ones).

The product of its (nonzero) digits is 441000000, while the sum is 64.

The spelling of 40575566557504 in words is "forty trillion, five hundred seventy-five billion, five hundred sixty-six million, five hundred fifty-seven thousand, five hundred four".