408808392345 has 96 divisors (see below), whose sum is σ = 755891794944. Its totient is φ = 204047424000.

The previous prime is 408808392331. The next prime is 408808392389. The reversal of 408808392345 is 543293808804.

It is not a de Polignac number, because 408808392345 - 2¹⁵ = 408808359577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 408808392291 and 408808392300.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6024747 + ... + 6092223.

It is an arithmetic number, because the mean of its divisors is an integer number (7873872864).

Almost surely, 2^408808392345 is an apocalyptic number.

408808392345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

408808392345 is a deficient number, since it is larger than the sum of its proper divisors (347083402599).

408808392345 is a wasteful number, since it uses less digits than its factorization.

408808392345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67663 (or 67660 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 408808392345 in words is "four hundred eight billion, eight hundred eight million, three hundred ninety-two thousand, three hundred forty-five".