40444040004400 has 60 divisors (see below), whose sum is σ = 97173479499264. Its totient is φ = 16176504928000.

The previous prime is 40444040004383. The next prime is 40444040004437. The reversal of 40444040004400 is 440004044404.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2371590 + ... + 9301210.

Almost surely, 2^{40444040004400} is an apocalyptic number.

40444040004400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40444040004400 is an abundant number, since it is smaller than the sum of its proper divisors (56729439494864).

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

40444040004400 is a wasteful number, since it uses less digits than its factorization.

40444040004400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6944230 (or 6944219 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 40444040004400 its reverse (440004044404), we get a palindrome (40884044048804).

The spelling of 40444040004400 in words is "forty trillion, four hundred forty-four billion, forty million, four thousand, four hundred".