406493503712 has 24 divisors (see below), whose sum is σ = 801532618992. Its totient is φ = 202929664000.

The previous prime is 406493503709. The next prime is 406493503723. The reversal of 406493503712 is 217305394604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9888164 + ... + 9929187.

It is an arithmetic number, because the mean of its divisors is an integer number (33397192458).

Almost surely, 2^406493503712 is an apocalyptic number.

It is an amenable number.

406493503712 is a deficient number, since it is larger than the sum of its proper divisors (395039115280).

406493503712 is a wasteful number, since it uses less digits than its factorization.

406493503712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19818002 (or 19817994 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 406493503712 in words is "four hundred six billion, four hundred ninety-three million, five hundred three thousand, seven hundred twelve".