32053440432 has 120 divisors (see below), whose sum is σ = 94939061904. Its totient is φ = 9282404352.

The previous prime is 32053440431. The next prime is 32053440443. The reversal of 32053440432 is 23404435023.

It is a self number, because there is not a number n which added to its sum of digits gives 32053440432.

It is not an unprimeable number, because it can be changed into a prime (32053440431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21688 + ... + 254120.

Almost surely, 2^32053440432 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 32053440432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47469530952).

32053440432 is an abundant number, since it is smaller than the sum of its proper divisors (62885621472).

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

32053440432 is a wasteful number, since it uses less digits than its factorization.

32053440432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232487 (or 232468 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 32053440432 its reverse (23404435023), we get a palindrome (55457875455).

The spelling of 32053440432 in words is "thirty-two billion, fifty-three million, four hundred forty thousand, four hundred thirty-two".