326448524640 has 96 divisors (see below), whose sum is σ = 1175214700800. Its totient is φ = 74616804864.

The previous prime is 326448524627. The next prime is 326448524653. The reversal of 326448524640 is 46425844623.

It is an interprime number because it is at equal distance from previous prime (326448524627) and next prime (326448524653).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 326448524640.

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, 48575290 + ... + 48582009.

It is an arithmetic number, because the mean of its divisors is an integer number (12241819800).

Almost surely, 2^326448524640 is an apocalyptic number.

326448524640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

326448524640 is an abundant number, since it is smaller than the sum of its proper divisors (848766176160).

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

326448524640 is a wasteful number, since it uses less digits than its factorization.

326448524640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97157324 (or 97157316 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 48.

The spelling of 326448524640 in words is "three hundred twenty-six billion, four hundred forty-eight million, five hundred twenty-four thousand, six hundred forty".