40121630763672 has 32 divisors (see below), whose sum is σ = 102438206208000. Its totient is φ = 13089326348064.

The previous prime is 40121630763667. The next prime is 40121630763679. The reversal of 40121630763672 is 27636703612104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40121630763679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17784409672 + ... + 17784411927.

It is an arithmetic number, because the mean of its divisors is an integer number (3201193944000).

Almost surely, 2^{40121630763672} is an apocalyptic number.

It is an amenable number.

40121630763672 is an abundant number, since it is smaller than the sum of its proper divisors (62316575444328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40121630763672 is a wasteful number, since it uses less digits than its factorization.

40121630763672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35568821655 (or 35568821651 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 48.

The spelling of 40121630763672 in words is "forty trillion, one hundred twenty-one billion, six hundred thirty million, seven hundred sixty-three thousand, six hundred seventy-two".