345448732816 has 40 divisors (see below), whose sum is σ = 736614576864. Its totient is φ = 155632565760.

The previous prime is 345448732813. The next prime is 345448732861. The reversal of 345448732816 is 618237844543.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (345448732813) 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, 8664966 + ... + 8704741.

Almost surely, 2^345448732816 is an apocalyptic number.

It is an amenable number.

345448732816 is an abundant number, since it is smaller than the sum of its proper divisors (391165844048).

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

345448732816 is a wasteful number, since it uses less digits than its factorization.

345448732816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17369839 (or 17369833 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 55.

The spelling of 345448732816 in words is "three hundred forty-five billion, four hundred forty-eight million, seven hundred thirty-two thousand, eight hundred sixteen".