404547044 has 18 divisors (see below), whose sum is σ = 778168902. Its totient is φ = 183884800.

The previous prime is 404547029. The next prime is 404547067. The reversal of 404547044 is 440745404.

It can be written as a sum of positive squares in only one way, i.e., 362140900 + 42406144 = 19030^2 + 6512^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 404547044.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 417437 + ... + 418404.

Almost surely, 2^404547044 is an apocalyptic number.

404547044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

404547044 is a deficient number, since it is larger than the sum of its proper divisors (373621858).

404547044 is a wasteful number, since it uses less digits than its factorization.

404547044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835867 (or 835854 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 32.

The square root of 404547044 is about 20113.3548668540. The cubic root of 404547044 is about 739.5876958131.

The spelling of 404547044 in words is "four hundred four million, five hundred forty-seven thousand, forty-four".