325644472 has 8 divisors (see below), whose sum is σ = 610583400. Its totient is φ = 162822232.

The previous prime is 325644463. The next prime is 325644499. The reversal of 325644472 is 274446523.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20352772 + ... + 20352787.

It is an arithmetic number, because the mean of its divisors is an integer number (76322925).

Almost surely, 2^325644472 is an apocalyptic number.

It is an amenable number.

325644472 is a deficient number, since it is larger than the sum of its proper divisors (284938928).

325644472 is a wasteful number, since it uses less digits than its factorization.

325644472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40705565 (or 40705561 counting only the distinct ones).

The product of its digits is 161280, while the sum is 37.

The square root of 325644472 is about 18045.6219621270. The cubic root of 325644472 is about 687.9885916172.

The spelling of 325644472 in words is "three hundred twenty-five million, six hundred forty-four thousand, four hundred seventy-two".