404063044 has 72 divisors (see below), whose sum is σ = 935170880. Its totient is φ = 149117760.

The previous prime is 404063039. The next prime is 404063047. The reversal of 404063044 is 440360404.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (404063047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61234 + ... + 67510.

Almost surely, 2^404063044 is an apocalyptic number.

404063044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404063044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467585440).

404063044 is an abundant number, since it is smaller than the sum of its proper divisors (531107836).

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

404063044 is a wasteful number, since it uses less digits than its factorization.

404063044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6329 (or 6316 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 404063044 is about 20101.3194591798. The cubic root of 404063044 is about 739.2926305876.

The spelling of 404063044 in words is "four hundred four million, sixty-three thousand, forty-four".