404013044 has 12 divisors (see below), whose sum is σ = 707291424. Its totient is φ = 201929784.

The previous prime is 404013037. The next prime is 404013067. The reversal of 404013044 is 440310404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6392 + ... + 29135.

It is an arithmetic number, because the mean of its divisors is an integer number (58940952).

Almost surely, 2^404013044 is an apocalyptic number.

It is an amenable number.

404013044 is a deficient number, since it is larger than the sum of its proper divisors (303278380).

404013044 is a wasteful number, since it uses less digits than its factorization.

404013044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38374 (or 38372 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 404013044 is about 20100.0757212504. The cubic root of 404013044 is about 739.2621352174.

Adding to 404013044 its reverse (440310404), we get a palindrome (844323448).

The spelling of 404013044 in words is "four hundred four million, thirteen thousand, forty-four".