40404044 has 12 divisors (see below), whose sum is σ = 70841568. Its totient is φ = 20163600.

The previous prime is 40404043. The next prime is 40404097. The reversal of 40404044 is 44040404.

It is not an unprimeable number, because it can be changed into a prime (40404043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7172 + ... + 11499.

It is an arithmetic number, because the mean of its divisors is an integer number (5903464).

Almost surely, 2^40404044 is an apocalyptic number.

It is an amenable number.

40404044 is a deficient number, since it is larger than the sum of its proper divisors (30437524).

40404044 is a wasteful number, since it uses less digits than its factorization.

40404044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19216 (or 19214 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 40404044 is about 6356.4175444978. The cubic root of 40404044 is about 343.1428429800.

Adding to 40404044 its reverse (44040404), we get a palindrome (84444448).

The spelling of 40404044 in words is "forty million, four hundred four thousand, forty-four".