326725563772044 has 96 divisors (see below), whose sum is σ = 853487331361280. Its totient is φ = 108084329640000.

The previous prime is 326725563772009. The next prime is 326725563772109. The reversal of 326725563772044 is 440277365527623.

It is a happy number.

326725563772044 is a `hidden beast` number, since 3 + 2 + 6 + 7 + 2 + 5 + 56 + 377 + 204 + 4 = 666.

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, 7608462 + ... + 26670954.

Almost surely, 2^{326725563772044} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326725563772044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426743665680640).

326725563772044 is an abundant number, since it is smaller than the sum of its proper divisors (526761767589236).

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

326725563772044 is a wasteful number, since it uses less digits than its factorization.

326725563772044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19063708 (or 19063700 counting only the distinct ones).

The product of its (nonzero) digits is 355622400, while the sum is 63.

The spelling of 326725563772044 in words is "three hundred twenty-six trillion, seven hundred twenty-five billion, five hundred sixty-three million, seven hundred seventy-two thousand, forty-four".