44045991120 has 160 divisors (see below), whose sum is σ = 141504693120. Its totient is φ = 11320207360.

The previous prime is 44045991107. The next prime is 44045991131. The reversal of 44045991120 is 2119954044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4080130 + ... + 4090910.

It is an arithmetic number, because the mean of its divisors is an integer number (884404332).

Almost surely, 2^44045991120 is an apocalyptic number.

44045991120 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 44045991120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70752346560).

44045991120 is an abundant number, since it is smaller than the sum of its proper divisors (97458702000).

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

44045991120 is a wasteful number, since it uses less digits than its factorization.

44045991120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11413 (or 11407 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 44045991120 in words is "forty-four billion, forty-five million, nine hundred ninety-one thousand, one hundred twenty".