40444404044 has 24 divisors (see below), whose sum is σ = 77976528336. Its totient is φ = 18201800000.

The previous prime is 40444404023. The next prime is 40444404053. The reversal of 40444404044 is 44040444404.

It is a self number, because there is not a number n which added to its sum of digits gives 40444404044.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4546007 + ... + 4554894.

It is an arithmetic number, because the mean of its divisors is an integer number (3249022014).

Almost surely, 2^40444404044 is an apocalyptic number.

40444404044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40444404044 is a deficient number, since it is larger than the sum of its proper divisors (37532124292).

40444404044 is a wasteful number, since it uses less digits than its factorization.

40444404044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9101017 (or 9101015 counting only the distinct ones).

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

Adding to 40444404044 its reverse (44040444404), we get a palindrome (84484848448).

The spelling of 40444404044 in words is "forty billion, four hundred forty-four million, four hundred four thousand, forty-four".