406332628816 has 40 divisors (see below), whose sum is σ = 791358074048. Its totient is φ = 202112064000.

The previous prime is 406332628813. The next prime is 406332628829. The reversal of 406332628816 is 618826233604.

It is a self number, because there is not a number n which added to its sum of digits gives 406332628816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406332628813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7775896 + ... + 7827976.

Almost surely, 2^406332628816 is an apocalyptic number.

It is an amenable number.

406332628816 is a deficient number, since it is larger than the sum of its proper divisors (385025445232).

406332628816 is a wasteful number, since it uses less digits than its factorization.

406332628816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54611 (or 54605 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 49.

The spelling of 406332628816 in words is "four hundred six billion, three hundred thirty-two million, six hundred twenty-eight thousand, eight hundred sixteen".