404051432 has 32 divisors (see below), whose sum is σ = 788783400. Its totient is φ = 193799424.

The previous prime is 404051429. The next prime is 404051437. The reversal of 404051432 is 234150404.

It can be written as a sum of positive squares in 4 ways, for example, as 367642276 + 36409156 = 19174^2 + 6034^2 .

It is a junction number, because it is equal to n+sod(n) for n = 404051398 and 404051407.

It is not an unprimeable number, because it can be changed into a prime (404051437) 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 7 ways as a sum of consecutive naturals, for example, 30878 + ... + 41970.

Almost surely, 2^404051432 is an apocalyptic number.

It is an amenable number.

404051432 is a deficient number, since it is larger than the sum of its proper divisors (384731968).

404051432 is a wasteful number, since it uses less digits than its factorization.

404051432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11285 (or 11281 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 404051432 is about 20101.0306203438. The cubic root of 404051432 is about 739.2855485671.

The spelling of 404051432 in words is "four hundred four million, fifty-one thousand, four hundred thirty-two".