40844004 has 48 divisors (see below), whose sum is σ = 99411648. Its totient is φ = 13039488.

The previous prime is 40843997. The next prime is 40844017. The reversal of 40844004 is 40044804.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29062 + ... + 30434.

It is an arithmetic number, because the mean of its divisors is an integer number (2071076).

Almost surely, 2^40844004 is an apocalyptic number.

It is an amenable number.

40844004 is an abundant number, since it is smaller than the sum of its proper divisors (58567644).

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

40844004 is a wasteful number, since it uses less digits than its factorization.

40844004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484 (or 1482 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 40844004 is about 6390.9313875209. The cubic root of 40844004 is about 344.3838445669.

Adding to 40844004 its reverse (40044804), we get a palindrome (80888808).

The spelling of 40844004 in words is "forty million, eight hundred forty-four thousand, four".