405315404 has 36 divisors (see below), whose sum is σ = 784463904. Its totient is φ = 183074112.

The previous prime is 405315401. The next prime is 405315413. The reversal of 405315404 is 404513504.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (405315401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25394 + ... + 38150.

It is an arithmetic number, because the mean of its divisors is an integer number (21790664).

Almost surely, 2^405315404 is an apocalyptic number.

It is an amenable number.

405315404 is a deficient number, since it is larger than the sum of its proper divisors (379148500).

405315404 is a wasteful number, since it uses less digits than its factorization.

405315404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12834 (or 12819 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 405315404 is about 20132.4465477994. The cubic root of 405315404 is about 740.0556349698.

Adding to 405315404 its reverse (404513504), we get a palindrome (809828908).

The spelling of 405315404 in words is "four hundred five million, three hundred fifteen thousand, four hundred four".