40444440044 has 12 divisors (see below), whose sum is σ = 70789887168. Its totient is φ = 20218758000.

The previous prime is 40444440031. The next prime is 40444440089. The reversal of 40444440044 is 44004444404.

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, 839132 + ... + 886019.

It is an arithmetic number, because the mean of its divisors is an integer number (5899157264).

Almost surely, 2^40444440044 is an apocalyptic number.

It is an amenable number.

40444440044 is a deficient number, since it is larger than the sum of its proper divisors (30345447124).

40444440044 is a wasteful number, since it uses less digits than its factorization.

40444440044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731016 (or 1731014 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 40444440044 its reverse (44004444404), we get a palindrome (84448884448).

The spelling of 40444440044 in words is "forty billion, four hundred forty-four million, four hundred forty thousand, forty-four".