345612257448 has 64 divisors (see below), whose sum is σ = 884572920000. Its totient is φ = 112491328512.

The previous prime is 345612257387. The next prime is 345612257453. The reversal of 345612257448 is 844752216543.

It is a self number, because there is not a number n which added to its sum of digits gives 345612257448.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 608065 + ... + 1030032.

It is an arithmetic number, because the mean of its divisors is an integer number (13821451875).

Almost surely, 2^345612257448 is an apocalyptic number.

It is an amenable number.

345612257448 is an abundant number, since it is smaller than the sum of its proper divisors (538960662552).

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

345612257448 is a wasteful number, since it uses less digits than its factorization.

345612257448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638314 (or 1638310 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 51.

The spelling of 345612257448 in words is "three hundred forty-five billion, six hundred twelve million, two hundred fifty-seven thousand, four hundred forty-eight".