326442531524340 has 96 divisors (see below), whose sum is σ = 1139581200973824. Its totient is φ = 67832214341760.

The previous prime is 326442531524339. The next prime is 326442531524359. The reversal of 326442531524340 is 43425135244623.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 326442531524340.

It is a congruent number.

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, 35329273684 + ... + 35329282923.

It is an arithmetic number, because the mean of its divisors is an integer number (11870637510144).

Almost surely, 2^{326442531524340} is an apocalyptic number.

326442531524340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

326442531524340 is an abundant number, since it is smaller than the sum of its proper divisors (813138669449484).

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

326442531524340 is a wasteful number, since it uses less digits than its factorization.

326442531524340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70658556637 (or 70658556635 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 48.

Adding to 326442531524340 its reverse (43425135244623), we get a palindrome (369867666768963).

The spelling of 326442531524340 in words is "three hundred twenty-six trillion, four hundred forty-two billion, five hundred thirty-one million, five hundred twenty-four thousand, three hundred forty".