406299256724 has 12 divisors (see below), whose sum is σ = 711205527648. Its totient is φ = 203097677400.

The previous prime is 406299256723. The next prime is 406299256799. The reversal of 406299256724 is 427652992604.

It is a self number, because there is not a number n which added to its sum of digits gives 406299256724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406299256721) 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, 12970142 + ... + 13001429.

It is an arithmetic number, because the mean of its divisors is an integer number (59267127304).

Almost surely, 2^406299256724 is an apocalyptic number.

It is an amenable number.

406299256724 is a deficient number, since it is larger than the sum of its proper divisors (304906270924).

406299256724 is a wasteful number, since it uses less digits than its factorization.

406299256724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25975486 (or 25975484 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 56.

The spelling of 406299256724 in words is "four hundred six billion, two hundred ninety-nine million, two hundred fifty-six thousand, seven hundred twenty-four".