345427874344 has 24 divisors (see below), whose sum is σ = 753420492090. Its totient is φ = 148040517408.

The previous prime is 345427874317. The next prime is 345427874347. The reversal of 345427874344 is 443478724543.

It can be written as a sum of positive squares in only one way, i.e., 323954488900 + 21473385444 = 569170^2 + 146538^2 .

It is not an unprimeable number, because it can be changed into a prime (345427874347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 440596387 + ... + 440597170.

Almost surely, 2^345427874344 is an apocalyptic number.

It is an amenable number.

345427874344 is an abundant number, since it is smaller than the sum of its proper divisors (407992617746).

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

345427874344 is a wasteful number, since it uses less digits than its factorization.

345427874344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881193577 (or 881193566 counting only the distinct ones).

The product of its digits is 36126720, while the sum is 55.

The spelling of 345427874344 in words is "three hundred forty-five billion, four hundred twenty-seven million, eight hundred seventy-four thousand, three hundred forty-four".