406726403260 has 12 divisors (see below), whose sum is σ = 854125446888. Its totient is φ = 162690561296.

The previous prime is 406726403227. The next prime is 406726403263. The reversal of 406726403260 is 62304627604.

It is a super-2 number, since 2×406726403260² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406726403263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10168160062 + ... + 10168160101.

It is an arithmetic number, because the mean of its divisors is an integer number (71177120574).

Almost surely, 2^406726403260 is an apocalyptic number.

It is an amenable number.

406726403260 is an abundant number, since it is smaller than the sum of its proper divisors (447399043628).

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

406726403260 is a wasteful number, since it uses less digits than its factorization.

406726403260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20336320172 (or 20336320170 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 40.

The spelling of 406726403260 in words is "four hundred six billion, seven hundred twenty-six million, four hundred three thousand, two hundred sixty".