40000444044 has 48 divisors (see below), whose sum is σ = 102502713600. Its totient is φ = 12039989440.

The previous prime is 40000444021. The next prime is 40000444087. The reversal of 40000444044 is 44044400004.

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, 997224 + ... + 1036559.

It is an arithmetic number, because the mean of its divisors is an integer number (2135473200).

Almost surely, 2^40000444044 is an apocalyptic number.

40000444044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40000444044 is an abundant number, since it is smaller than the sum of its proper divisors (62502269556).

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

40000444044 is a wasteful number, since it uses less digits than its factorization.

40000444044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033950 (or 2033948 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 40000444044 its reverse (44044400004), we get a palindrome (84044844048).

The spelling of 40000444044 in words is "forty billion, four hundred forty-four thousand, forty-four".