345404826856 has 16 divisors (see below), whose sum is σ = 662695308000. Its totient is φ = 168686078064.

The previous prime is 345404826839. The next prime is 345404826919. The reversal of 345404826856 is 658628404543.

It is a junction number, because it is equal to n+sod(n) for n = 345404826797 and 345404826806.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502041556 + ... + 502042243.

It is an arithmetic number, because the mean of its divisors is an integer number (41418456750).

Almost surely, 2^345404826856 is an apocalyptic number.

It is an amenable number.

345404826856 is a deficient number, since it is larger than the sum of its proper divisors (317290481144).

345404826856 is a wasteful number, since it uses less digits than its factorization.

345404826856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004083848 (or 1004083844 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 55.

The spelling of 345404826856 in words is "three hundred forty-five billion, four hundred four million, eight hundred twenty-six thousand, eight hundred fifty-six".