40572453976 has 8 divisors (see below), whose sum is σ = 76073351220. Its totient is φ = 20286226984.

The previous prime is 40572453967. The next prime is 40572453983. The reversal of 40572453976 is 67935427504.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×40572453976² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2535778366 + ... + 2535778381.

Almost surely, 2^40572453976 is an apocalyptic number.

It is an amenable number.

40572453976 is a deficient number, since it is larger than the sum of its proper divisors (35500897244).

40572453976 is a wasteful number, since it uses less digits than its factorization.

40572453976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5071556753 (or 5071556749 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 52.

The spelling of 40572453976 in words is "forty billion, five hundred seventy-two million, four hundred fifty-three thousand, nine hundred seventy-six".