44142432432 has 120 divisors (see below), whose sum is σ = 133621755696. Its totient is φ = 12519972864.

The previous prime is 44142432419. The next prime is 44142432449. The reversal of 44142432432 is 23423424144.

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

It is a junction number, because it is equal to n+sod(n) for n = 44142432393 and 44142432402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 253728 + ... + 390720.

Almost surely, 2^44142432432 is an apocalyptic number.

44142432432 is a gapful number since it is divisible by the number (42) 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 44142432432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66810877848).

44142432432 is an abundant number, since it is smaller than the sum of its proper divisors (89479323264).

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

44142432432 is a wasteful number, since it uses less digits than its factorization.

44142432432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137155 (or 137142 counting only the distinct ones).

The product of its digits is 73728, while the sum is 33.

Adding to 44142432432 its reverse (23423424144), we get a palindrome (67565856576).

The spelling of 44142432432 in words is "forty-four billion, one hundred forty-two million, four hundred thirty-two thousand, four hundred thirty-two".