40444008000 has 672 divisors, whose sum is σ = 154726965120. Its totient is φ = 9275904000.

The previous prime is 40444007983. The next prime is 40444008053. The reversal of 40444008000 is 80044404.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 55175634 + ... + 55176366.

It is an arithmetic number, because the mean of its divisors is an integer number (230248460).

Almost surely, 2^40444008000 is an apocalyptic number.

40444008000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40444008000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77363482560).

40444008000 is an abundant number, since it is smaller than the sum of its proper divisors (114282957120).

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

40444008000 is a wasteful number, since it uses less digits than its factorization.

40444008000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804 (or 773 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The spelling of 40444008000 in words is "forty billion, four hundred forty-four million, eight thousand".