404424624 has 40 divisors (see below), whose sum is σ = 1049276592. Its totient is φ = 134225920.

The previous prime is 404424619. The next prime is 404424673. The reversal of 404424624 is 426424404.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 404424591 and 404424600.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6897 + ... + 29264.

Almost surely, 2^404424624 is an apocalyptic number.

It is an amenable number.

404424624 is an abundant number, since it is smaller than the sum of its proper divisors (644851968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404424624 is a wasteful number, since it uses less digits than its factorization.

404424624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36405 (or 36399 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

The square root of 404424624 is about 20110.3113849587. The cubic root of 404424624 is about 739.5130860642.

It can be divided in two parts, 4044246 and 24, that multiplied together give a square (97061904 = 9852²).

The spelling of 404424624 in words is "four hundred four million, four hundred twenty-four thousand, six hundred twenty-four".