32442434240 has 56 divisors (see below), whose sum is σ = 77975624592. Its totient is φ = 12855680000.

The previous prime is 32442434221. The next prime is 32442434249. The reversal of 32442434240 is 4243424423.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 32442434197 and 32442434206.

It is not an unprimeable number, because it can be changed into a prime (32442434249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439511 + ... + 507990.

Almost surely, 2^32442434240 is an apocalyptic number.

It is an amenable number.

32442434240 is an abundant number, since it is smaller than the sum of its proper divisors (45533190352).

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

32442434240 is a wasteful number, since it uses less digits than its factorization.

32442434240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947625 (or 947615 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 32442434240 its reverse (4243424423), we get a palindrome (36685858663).

The spelling of 32442434240 in words is "thirty-two billion, four hundred forty-two million, four hundred thirty-four thousand, two hundred forty".