40556426371772 has 24 divisors (see below), whose sum is σ = 75175540345584. Its totient is φ = 19078553509632.

The previous prime is 40556426371763. The next prime is 40556426371781. The reversal of 40556426371772 is 27717362465504.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40556426371763) and next prime (40556426371781).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106427258 + ... + 106807649.

It is an arithmetic number, because the mean of its divisors is an integer number (3132314181066).

Almost surely, 2^{40556426371772} is an apocalyptic number.

It is an amenable number.

40556426371772 is a deficient number, since it is larger than the sum of its proper divisors (34619113973812).

40556426371772 is a wasteful number, since it uses less digits than its factorization.

40556426371772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213237725 (or 213237723 counting only the distinct ones).

The product of its (nonzero) digits is 59270400, while the sum is 59.

The spelling of 40556426371772 in words is "forty trillion, five hundred fifty-six billion, four hundred twenty-six million, three hundred seventy-one thousand, seven hundred seventy-two".