40444220800 has 96 divisors (see below), whose sum is σ = 105168436200. Its totient is φ = 15326208000.

The previous prime is 40444220771. The next prime is 40444220863. The reversal of 40444220800 is 802244404.

It is a super-2 number, since 2×40444220800² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 271801 + ... + 393400.

Almost surely, 2^40444220800 is an apocalyptic number.

40444220800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40444220800 is an abundant number, since it is smaller than the sum of its proper divisors (64724215400).

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

40444220800 is a wasteful number, since it uses less digits than its factorization.

40444220800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665244 (or 665227 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

The spelling of 40444220800 in words is "forty billion, four hundred forty-four million, two hundred twenty thousand, eight hundred".