400707373338 has 24 divisors (see below), whose sum is σ = 868211525376. Its totient is φ = 133567245000.

The previous prime is 400707373273. The next prime is 400707373427. The reversal of 400707373338 is 833373707004.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 400707373293 and 400707373302.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1859713 + ... + 2063963.

It is an arithmetic number, because the mean of its divisors is an integer number (36175480224).

Almost surely, 2^400707373338 is an apocalyptic number.

400707373338 is an abundant number, since it is smaller than the sum of its proper divisors (467504152038).

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

400707373338 is a wasteful number, since it uses less digits than its factorization.

400707373338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313250 (or 313247 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 45.

The spelling of 400707373338 in words is "four hundred billion, seven hundred seven million, three hundred seventy-three thousand, three hundred thirty-eight".