3975959621200 has 120 divisors (see below), whose sum is σ = 11055037710080. Its totient is φ = 1345930560000.

The previous prime is 3975959621173. The next prime is 3975959621219. The reversal of 3975959621200 is 21269595793.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8766051 + ... + 9208450.

Almost surely, 2^{3975959621200} is an apocalyptic number.

It is an amenable number.

3975959621200 is an abundant number, since it is smaller than the sum of its proper divisors (7079078088880).

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

3975959621200 is a wasteful number, since it uses less digits than its factorization.

3975959621200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17974605 (or 17974594 counting only the distinct ones).

The product of its (nonzero) digits is 9185400, while the sum is 58.

The spelling of 3975959621200 in words is "three trillion, nine hundred seventy-five billion, nine hundred fifty-nine million, six hundred twenty-one thousand, two hundred".