345296915520 has 112 divisors (see below), whose sum is σ = 1096818093888. Its totient is φ = 92037150720.

The previous prime is 345296915503. The next prime is 345296915531. The reversal of 345296915520 is 25519692543.

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, 2051187 + ... + 2213133.

Almost surely, 2^345296915520 is an apocalyptic number.

345296915520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345296915520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (548409046944).

345296915520 is an abundant number, since it is smaller than the sum of its proper divisors (751521178368).

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

345296915520 is a wasteful number, since it uses less digits than its factorization.

345296915520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164188 (or 164178 counting only the distinct ones).

The product of its (nonzero) digits is 2916000, while the sum is 51.

The spelling of 345296915520 in words is "three hundred forty-five billion, two hundred ninety-six million, nine hundred fifteen thousand, five hundred twenty".