326625642 has 64 divisors (see below), whose sum is σ = 831317760. Its totient is φ = 93120192.

The previous prime is 326625623. The next prime is 326625653. The reversal of 326625642 is 246526623.

326625642 is a `hidden beast` number, since 3 + 2 + 6 + 6 + 2 + 5 + 642 = 666.

326625642 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 326625597 and 326625606.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 321928 + ... + 322940.

It is an arithmetic number, because the mean of its divisors is an integer number (12989340).

Almost surely, 2^326625642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326625642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415658880).

326625642 is an abundant number, since it is smaller than the sum of its proper divisors (504692118).

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

326625642 is a wasteful number, since it uses less digits than its factorization.

326625642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884 (or 1878 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 326625642 is about 18072.7873334469. The cubic root of 326625642 is about 688.6788709411.

The spelling of 326625642 in words is "three hundred twenty-six million, six hundred twenty-five thousand, six hundred forty-two".