405049664794 has 16 divisors (see below), whose sum is σ = 613138923936. Its totient is φ = 200674702800.

The previous prime is 405049664783. The next prime is 405049664837. The reversal of 405049664794 is 497466940504.

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, 996252 + ... + 1342615.

It is an arithmetic number, because the mean of its divisors is an integer number (38321182746).

Almost surely, 2^405049664794 is an apocalyptic number.

405049664794 is a deficient number, since it is larger than the sum of its proper divisors (208089259142).

405049664794 is a wasteful number, since it uses less digits than its factorization.

405049664794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339661.

The product of its (nonzero) digits is 26127360, while the sum is 58.

The spelling of 405049664794 in words is "four hundred five billion, forty-nine million, six hundred sixty-four thousand, seven hundred ninety-four".