400315504 has 10 divisors (see below), whose sum is σ = 775611320. Its totient is φ = 200157744.

The previous prime is 400315501. The next prime is 400315523. The reversal of 400315504 is 405513004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400315501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12509844 + ... + 12509875.

It is an arithmetic number, because the mean of its divisors is an integer number (77561132).

Almost surely, 2^400315504 is an apocalyptic number.

It is an amenable number.

400315504 is a deficient number, since it is larger than the sum of its proper divisors (375295816).

400315504 is a wasteful number, since it uses less digits than its factorization.

400315504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25019727 (or 25019721 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 400315504 is about 20007.8860452573. The cubic root of 400315504 is about 736.9999699296. Note that the first 4 decimals are identical.

Adding to 400315504 its reverse (405513004), we get a palindrome (805828508).

The spelling of 400315504 in words is "four hundred million, three hundred fifteen thousand, five hundred four".