326346431560 has 32 divisors (see below), whose sum is σ = 734588076600. Its totient is φ = 130483709440.

The previous prime is 326346431483. The next prime is 326346431569. The reversal of 326346431560 is 65134643623.

It can be written as a sum of positive squares in 4 ways, for example, as 129641763364 + 196704668196 = 360058^2 + 443514^2 .

It is not an unprimeable number, because it can be changed into a prime (326346431569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1618045 + ... + 1808524.

Almost surely, 2^326346431560 is an apocalyptic number.

It is an amenable number.

326346431560 is an abundant number, since it is smaller than the sum of its proper divisors (408241645040).

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

326346431560 is a wasteful number, since it uses less digits than its factorization.

326346431560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3428961 (or 3428957 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 43.

The spelling of 326346431560 in words is "three hundred twenty-six billion, three hundred forty-six million, four hundred thirty-one thousand, five hundred sixty".