3972235022500 has 30 divisors (see below), whose sum is σ = 8686483552670. Its totient is φ = 1588894008000.

The previous prime is 3972235022491. The next prime is 3972235022513. The reversal of 3972235022500 is 52205322793.

It can be written as a sum of positive squares in 5 ways, for example, as 1790516962404 + 2181718060096 = 1338102^2 + 1477064^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 794444505 + ... + 794449504.

Almost surely, 2^{3972235022500} is an apocalyptic number.

It is an amenable number.

3972235022500 is an abundant number, since it is smaller than the sum of its proper divisors (4714248530170).

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

3972235022500 is a wasteful number, since it uses less digits than its factorization.

3972235022500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588894033 (or 1588894016 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 40.

The spelling of 3972235022500 in words is "three trillion, nine hundred seventy-two billion, two hundred thirty-five million, twenty-two thousand, five hundred".