32147808252 has 48 divisors (see below), whose sum is σ = 90239466240. Its totient is φ = 8701661952.

The previous prime is 32147808179. The next prime is 32147808269. The reversal of 32147808252 is 25280874123.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10069773 + ... + 10072964.

It is an arithmetic number, because the mean of its divisors is an integer number (1879988880).

Almost surely, 2^32147808252 is an apocalyptic number.

It is an amenable number.

32147808252 is an abundant number, since it is smaller than the sum of its proper divisors (58091657988).

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

32147808252 is a wasteful number, since it uses less digits than its factorization.

32147808252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20142770 (or 20142768 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 32147808252 in words is "thirty-two billion, one hundred forty-seven million, eight hundred eight thousand, two hundred fifty-two".