40556557236503 has 16 divisors (see below), whose sum is σ = 50572533876480. Its totient is φ = 31597190592000.

The previous prime is 40556557236487. The next prime is 40556557236509. The reversal of 40556557236503 is 30563275565504.

It is not a de Polignac number, because 40556557236503 - 2⁴ = 40556557236487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40556557236509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43885898 + ... + 44800503.

It is an arithmetic number, because the mean of its divisors is an integer number (3160783367280).

Almost surely, 2^{40556557236503} is an apocalyptic number.

40556557236503 is a deficient number, since it is larger than the sum of its proper divisors (10015976639977).

40556557236503 is a wasteful number, since it uses less digits than its factorization.

40556557236503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88692358.

The product of its (nonzero) digits is 56700000, while the sum is 56.

The spelling of 40556557236503 in words is "forty trillion, five hundred fifty-six billion, five hundred fifty-seven million, two hundred thirty-six thousand, five hundred three".