44040040000 has 280 divisors, whose sum is σ = 120433648896. Its totient is φ = 15840000000.

The previous prime is 44040039977. The next prime is 44040040021. The reversal of 44040040000 is 4004044.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 44439505 + ... + 44440495.

Almost surely, 2^44040040000 is an apocalyptic number.

44040040000 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 44040040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60216824448).

44040040000 is an abundant number, since it is smaller than the sum of its proper divisors (76393608896).

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

44040040000 is a wasteful number, since it uses less digits than its factorization.

44040040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 44040040000 its reverse (4004044), we get a palindrome (44044044044).

The spelling of 44040040000 in words is "forty-four billion, forty million, forty thousand", and thus it is an eban number.