3971471500400 has 30 divisors (see below), whose sum is σ = 9541460280672. Its totient is φ = 1588588600000.

The previous prime is 3971471500391. The next prime is 3971471500417. The reversal of 3971471500400 is 40051741793.

3971471500400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4964338976 + ... + 4964339775.

Almost surely, 2^{3971471500400} is an apocalyptic number.

It is an amenable number.

3971471500400 is an abundant number, since it is smaller than the sum of its proper divisors (5569988780272).

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

3971471500400 is a wasteful number, since it uses less digits than its factorization.

3971471500400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9928678769 (or 9928678758 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 41.

The spelling of 3971471500400 in words is "three trillion, nine hundred seventy-one billion, four hundred seventy-one million, five hundred thousand, four hundred".