326552426240 has 72 divisors (see below), whose sum is σ = 789117538608. Its totient is φ = 129464975360.

The previous prime is 326552426183. The next prime is 326552426311. The reversal of 326552426240 is 42624255623.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 984206 + ... + 1273485.

It is an arithmetic number, because the mean of its divisors is an integer number (10959965814).

Almost surely, 2^326552426240 is an apocalyptic number.

It is an amenable number.

326552426240 is an abundant number, since it is smaller than the sum of its proper divisors (462565112368).

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

326552426240 is a wasteful number, since it uses less digits than its factorization.

326552426240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257825 (or 2257811 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 41.

The spelling of 326552426240 in words is "three hundred twenty-six billion, five hundred fifty-two million, four hundred twenty-six thousand, two hundred forty".