240142312432 has 20 divisors (see below), whose sum is σ = 507573524376. Its totient is φ = 109155596480.

The previous prime is 240142312427. The next prime is 240142312451. The reversal of 240142312432 is 234213241042.

It is a self number, because there is not a number n which added to its sum of digits gives 240142312432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682222303 + ... + 682222654.

Almost surely, 2^240142312432 is an apocalyptic number.

240142312432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

240142312432 is an abundant number, since it is smaller than the sum of its proper divisors (267431211944).

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

240142312432 is a wasteful number, since it uses less digits than its factorization.

240142312432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364444976 (or 1364444970 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 240142312432 its reverse (234213241042), we get a palindrome (474355553474).

The spelling of 240142312432 in words is "two hundred forty billion, one hundred forty-two million, three hundred twelve thousand, four hundred thirty-two".