44161812432 has 120 divisors (see below), whose sum is σ = 126887780448. Its totient is φ = 14332281600.

The previous prime is 44161812427. The next prime is 44161812439. The reversal of 44161812432 is 23421816144.

44161812432 is a `hidden beast` number, since 4 + 4 + 1 + 618 + 1 + 2 + 4 + 32 = 666.

44161812432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44161812439) 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, 977707 + ... + 1021877.

Almost surely, 2^44161812432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44161812432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63443890224).

44161812432 is an abundant number, since it is smaller than the sum of its proper divisors (82725968016).

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

44161812432 is a wasteful number, since it uses less digits than its factorization.

44161812432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44369 (or 44360 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The spelling of 44161812432 in words is "forty-four billion, one hundred sixty-one million, eight hundred twelve thousand, four hundred thirty-two".