44120000000 has 160 divisors (see below), whose sum is σ = 110291905152. Its totient is φ = 17632000000.

The previous prime is 44119999999. The next prime is 44120000009. The reversal of 44120000000 is 2144.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44120000009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39999449 + ... + 40000551.

Almost surely, 2^44120000000 is an apocalyptic number.

44120000000 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 44120000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55145952576).

44120000000 is an abundant number, since it is smaller than the sum of its proper divisors (66171905152).

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

44120000000 is an frugal number, since it uses more digits than its factorization.

44120000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 44120000000 its reverse (2144), we get a palindrome (44120002144).

The spelling of 44120000000 in words is "forty-four billion, one hundred twenty million", and thus it is an aban number.