345442685456 has 80 divisors (see below), whose sum is σ = 783978715008. Its totient is φ = 145701427200.

The previous prime is 345442685447. The next prime is 345442685461. The reversal of 345442685456 is 654586244543.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 600635 + ... + 1025498.

Almost surely, 2^345442685456 is an apocalyptic number.

It is an amenable number.

345442685456 is an abundant number, since it is smaller than the sum of its proper divisors (438536029552).

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

345442685456 is a wasteful number, since it uses less digits than its factorization.

345442685456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626240 (or 1626234 counting only the distinct ones).

The product of its digits is 55296000, while the sum is 56.

The spelling of 345442685456 in words is "three hundred forty-five billion, four hundred forty-two million, six hundred eighty-five thousand, four hundred fifty-six".