406726474518 has 96 divisors (see below), whose sum is σ = 1089341198400. Its totient is φ = 106800000768.

The previous prime is 406726474513. The next prime is 406726474537. The reversal of 406726474518 is 815474627604.

406726474518 is a `hidden beast` number, since 4 + 0 + 67 + 2 + 64 + 7 + 4 + 518 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406726474513) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 167053 + ... + 917256.

It is an arithmetic number, because the mean of its divisors is an integer number (11347304150).

Almost surely, 2^406726474518 is an apocalyptic number.

406726474518 is an abundant number, since it is smaller than the sum of its proper divisors (682614723882).

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

406726474518 is a wasteful number, since it uses less digits than its factorization.

406726474518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084566 (or 1084563 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 54.

The spelling of 406726474518 in words is "four hundred six billion, seven hundred twenty-six million, four hundred seventy-four thousand, five hundred eighteen".