32312402240 has 112 divisors (see below), whose sum is σ = 79113888000. Its totient is φ = 12564191232.

The previous prime is 32312402207. The next prime is 32312402249. The reversal of 32312402240 is 4220421323.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32312402249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2233751 + ... + 2248169.

It is an arithmetic number, because the mean of its divisors is an integer number (706374000).

Almost surely, 2^32312402240 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 32312402240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39556944000).

32312402240 is an abundant number, since it is smaller than the sum of its proper divisors (46801485760).

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

32312402240 is a wasteful number, since it uses less digits than its factorization.

32312402240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14632 (or 14622 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 32312402240 its reverse (4220421323), we get a palindrome (36532823563).

The spelling of 32312402240 in words is "thirty-two billion, three hundred twelve million, four hundred two thousand, two hundred forty".