405268496 has 20 divisors (see below), whose sum is σ = 790213932. Its totient is φ = 201342336.

The previous prime is 405268489. The next prime is 405268529. The reversal of 405268496 is 694862504.

It can be written as a sum of positive squares in 2 ways, for example, as 93392896 + 311875600 = 9664^2 + 17660^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78155 + ... + 83178.

Almost surely, 2^405268496 is an apocalyptic number.

It is an amenable number.

405268496 is a deficient number, since it is larger than the sum of its proper divisors (384945436).

405268496 is a wasteful number, since it uses less digits than its factorization.

405268496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161498 (or 161492 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 405268496 is about 20131.2815290036. The cubic root of 405268496 is about 740.0270844725.

The spelling of 405268496 in words is "four hundred five million, two hundred sixty-eight thousand, four hundred ninety-six".