453431404 has 12 divisors (see below), whose sum is σ = 797267128. Its totient is φ = 225640800.

The previous prime is 453431401. The next prime is 453431417. The reversal of 453431404 is 404134354.

It is a super-2 number, since 2×453431404² = 411200076266822432, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (453431401) 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 3 ways as a sum of consecutive naturals, for example, 267777 + ... + 269464.

Almost surely, 2^453431404 is an apocalyptic number.

It is an amenable number.

453431404 is a deficient number, since it is larger than the sum of its proper divisors (343835724).

453431404 is a wasteful number, since it uses less digits than its factorization.

453431404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537456 (or 537454 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 453431404 is about 21293.9288061175. The cubic root of 453431404 is about 768.2522929610.

Adding to 453431404 its reverse (404134354), we get a palindrome (857565758).

The spelling of 453431404 in words is "four hundred fifty-three million, four hundred thirty-one thousand, four hundred four".