44032420432 has 80 divisors (see below), whose sum is σ = 114545918592. Its totient is φ = 15835829760.

The previous prime is 44032420391. The next prime is 44032420451. The reversal of 44032420432 is 23402423044.

It is a happy number.

It is a super-2 number, since 2×44032420432² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 44032420432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1358623 + ... + 1390654.

Almost surely, 2^44032420432 is an apocalyptic number.

It is an amenable number.

44032420432 is an abundant number, since it is smaller than the sum of its proper divisors (70513498160).

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

44032420432 is a wasteful number, since it uses less digits than its factorization.

44032420432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749316 (or 2749310 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 44032420432 its reverse (23402423044), we get a palindrome (67434843476).

It can be divided in two parts, 44032 and 420432, that added together give a palindrome (464464).

The spelling of 44032420432 in words is "forty-four billion, thirty-two million, four hundred twenty thousand, four hundred thirty-two".