345404808322 has 16 divisors (see below), whose sum is σ = 623286872640. Its totient is φ = 140239546128.

The previous prime is 345404808313. The next prime is 345404808389. The reversal of 345404808322 is 223808404543.

It is a super-2 number, since 2×345404808322² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 649256893 + ... + 649257424.

It is an arithmetic number, because the mean of its divisors is an integer number (38955429540).

Almost surely, 2^345404808322 is an apocalyptic number.

345404808322 is a deficient number, since it is larger than the sum of its proper divisors (277882064318).

345404808322 is a wasteful number, since it uses less digits than its factorization.

345404808322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298514345.

The product of its (nonzero) digits is 737280, while the sum is 43.

The spelling of 345404808322 in words is "three hundred forty-five billion, four hundred four million, eight hundred eight thousand, three hundred twenty-two".