44512120440 has 96 divisors (see below), whose sum is σ = 144706208400. Its totient is φ = 11866467840.

The previous prime is 44512120369. The next prime is 44512120447. The reversal of 44512120440 is 4402121544.

44512120440 is a `hidden beast` number, since 4 + 4 + 5 + 1 + 212 + 0 + 440 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44512120447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1381231 + ... + 1413089.

Almost surely, 2^44512120440 is an apocalyptic number.

44512120440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44512120440 is an abundant number, since it is smaller than the sum of its proper divisors (100194087960).

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

44512120440 is a wasteful number, since it uses less digits than its factorization.

44512120440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35757 (or 35750 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 44512120440 its reverse (4402121544), we get a palindrome (48914241984).

It can be divided in two parts, 4451 and 2120440, that added together give a triangular number (2124891 = T₂₀₆₁).

The spelling of 44512120440 in words is "forty-four billion, five hundred twelve million, one hundred twenty thousand, four hundred forty".