405162404 has 24 divisors (see below), whose sum is σ = 722761368. Its totient is φ = 198696960.

The previous prime is 405162397. The next prime is 405162421. The reversal of 405162404 is 404261504.

It can be written as a sum of positive squares in 4 ways, for example, as 56220004 + 348942400 = 7498^2 + 18680^2 .

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 7 ways as a sum of consecutive naturals, for example, 39224 + ... + 48464.

It is an arithmetic number, because the mean of its divisors is an integer number (30115057).

Almost surely, 2^405162404 is an apocalyptic number.

It is an amenable number.

405162404 is a deficient number, since it is larger than the sum of its proper divisors (317598964).

405162404 is a wasteful number, since it uses less digits than its factorization.

405162404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9455 (or 9453 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 405162404 is about 20128.6463528972. The cubic root of 405162404 is about 739.9625035785.

The spelling of 405162404 in words is "four hundred five million, one hundred sixty-two thousand, four hundred four".