406445476 has 12 divisors (see below), whose sum is σ = 712819072. Its totient is φ = 202782888.

The previous prime is 406445471. The next prime is 406445477. The reversal of 406445476 is 674544604.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (406445471) 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, 107880 + ... + 111583.

Almost surely, 2^406445476 is an apocalyptic number.

It is an amenable number.

406445476 is a deficient number, since it is larger than the sum of its proper divisors (306373596).

406445476 is a wasteful number, since it uses less digits than its factorization.

406445476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219930 (or 219928 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 40.

The square root of 406445476 is about 20160.4929503224. The cubic root of 406445476 is about 740.7427871582.

The spelling of 406445476 in words is "four hundred six million, four hundred forty-five thousand, four hundred seventy-six".