40131771616576 has 14 divisors (see below), whose sum is σ = 79636484301770. Its totient is φ = 20065885808256.

The previous prime is 40131771616553. The next prime is 40131771616583. The reversal of 40131771616576 is 67561617713104.

It can be written as a sum of positive squares in only one way, i.e., 38093090241600 + 2038681374976 = 6171960^2 + 1427824^2 .

It is a super-2 number, since 2×40131771616576² (a number of 28 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, 313529465691 + ... + 313529465818.

Almost surely, 2^{40131771616576} is an apocalyptic number.

It is an amenable number.

40131771616576 is a deficient number, since it is larger than the sum of its proper divisors (39504712685194).

40131771616576 is an equidigital number, since it uses as much as digits as its factorization.

40131771616576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627058931521 (or 627058931511 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 55.

The spelling of 40131771616576 in words is "forty trillion, one hundred thirty-one billion, seven hundred seventy-one million, six hundred sixteen thousand, five hundred seventy-six".