40105251355023 has 24 divisors (see below), whose sum is σ = 58183740669600. Its totient is φ = 26619638192064.

The previous prime is 40105251354991. The next prime is 40105251355061. The reversal of 40105251355023 is 32055315250104.

40105251355023 is a `hidden beast` number, since 4 + 0 + 1 + 0 + 52 + 51 + 3 + 550 + 2 + 3 = 666.

It is not a de Polignac number, because 40105251355023 - 2⁵ = 40105251354991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40105251355093) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165412198 + ... + 165654476.

It is an arithmetic number, because the mean of its divisors is an integer number (2424322527900).

Almost surely, 2^{40105251355023} is an apocalyptic number.

40105251355023 is a deficient number, since it is larger than the sum of its proper divisors (18078489314577).

40105251355023 is a wasteful number, since it uses less digits than its factorization.

40105251355023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322831 (or 322828 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 40105251355023 in words is "forty trillion, one hundred five billion, two hundred fifty-one million, three hundred fifty-five thousand, twenty-three".