40457772455 has 32 divisors (see below), whose sum is σ = 53476070400. Its totient is φ = 29247305472.

The previous prime is 40457772427. The next prime is 40457772469. The reversal of 40457772455 is 55427775404.

It is a cyclic number.

It is not a de Polignac number, because 40457772455 - 2²⁶ = 40390663591 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 758627 + ... + 810203.

It is an arithmetic number, because the mean of its divisors is an integer number (1671127200).

Almost surely, 2^40457772455 is an apocalyptic number.

40457772455 is a deficient number, since it is larger than the sum of its proper divisors (13018297945).

40457772455 is a wasteful number, since it uses less digits than its factorization.

40457772455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51983.

The product of its (nonzero) digits is 5488000, while the sum is 50.

The spelling of 40457772455 in words is "forty billion, four hundred fifty-seven million, seven hundred seventy-two thousand, four hundred fifty-five".