404055424 has 16 divisors (see below), whose sum is σ = 804954420. Its totient is φ = 202027648.

The previous prime is 404055409. The next prime is 404055437. The reversal of 404055424 is 424550404.

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 404055392 and 404055401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1578214 + ... + 1578469.

Almost surely, 2^404055424 is an apocalyptic number.

It is an amenable number.

404055424 is a deficient number, since it is larger than the sum of its proper divisors (400898996).

404055424 is an equidigital number, since it uses as much as digits as its factorization.

404055424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3156697 (or 3156685 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 404055424 is about 20101.1299184897. The cubic root of 404055424 is about 739.2879832556.

The spelling of 404055424 in words is "four hundred four million, fifty-five thousand, four hundred twenty-four".