406624055724 has 24 divisors (see below), whose sum is σ = 1054210515120. Its totient is φ = 135541351872.

The previous prime is 406624055711. The next prime is 406624055743. The reversal of 406624055724 is 427550426604.

It is a self number, because there is not a number n which added to its sum of digits gives 406624055724.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1882518669 + ... + 1882518884.

It is an arithmetic number, because the mean of its divisors is an integer number (43925438130).

Almost surely, 2^406624055724 is an apocalyptic number.

It is an amenable number.

406624055724 is an abundant number, since it is smaller than the sum of its proper divisors (647586459396).

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

406624055724 is a wasteful number, since it uses less digits than its factorization.

406624055724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3765037566 (or 3765037558 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 45.

The spelling of 406624055724 in words is "four hundred six billion, six hundred twenty-four million, fifty-five thousand, seven hundred twenty-four".