405403122036 has 48 divisors (see below), whose sum is σ = 1032017107968. Its totient is φ = 122839682400.

The previous prime is 405403122011. The next prime is 405403122049. The reversal of 405403122036 is 630221304504.

It is a junction number, because it is equal to n+sod(n) for n = 405403121994 and 405403122012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1644501 + ... + 1874883.

It is an arithmetic number, because the mean of its divisors is an integer number (21500356416).

Almost surely, 2^405403122036 is an apocalyptic number.

It is an amenable number.

405403122036 is an abundant number, since it is smaller than the sum of its proper divisors (626613985932).

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

405403122036 is a wasteful number, since it uses less digits than its factorization.

405403122036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243732 (or 243730 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The spelling of 405403122036 in words is "four hundred five billion, four hundred three million, one hundred twenty-two thousand, thirty-six".