40320554172616 has 16 divisors (see below), whose sum is σ = 77644310400540. Its totient is φ = 19615404732480.

The previous prime is 40320554172611. The next prime is 40320554172631. The reversal of 40320554172616 is 61627145502304.

40320554172616 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 31568104102500 + 8752450070116 = 5618550^2 + 2958454^2 .

It is not an unprimeable number, because it can be changed into a prime (40320554172611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68109043915 + ... + 68109044506.

Almost surely, 2^{40320554172616} is an apocalyptic number.

It is an amenable number.

40320554172616 is a deficient number, since it is larger than the sum of its proper divisors (37323756227924).

40320554172616 is a wasteful number, since it uses less digits than its factorization.

40320554172616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136218088464 (or 136218088460 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 40320554172616 in words is "forty trillion, three hundred twenty billion, five hundred fifty-four million, one hundred seventy-two thousand, six hundred sixteen".