239978642416 has 40 divisors (see below), whose sum is σ = 489748277120. Its totient is φ = 113600200896.

The previous prime is 239978642413. The next prime is 239978642419. The reversal of 239978642416 is 614246879932.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (239978642413) and next prime (239978642419).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239978642413) 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, 213271 + ... + 724873.

It is an arithmetic number, because the mean of its divisors is an integer number (12243706928).

Almost surely, 2^239978642416 is an apocalyptic number.

It is an amenable number.

239978642416 is an abundant number, since it is smaller than the sum of its proper divisors (249769634704).

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

239978642416 is a wasteful number, since it uses less digits than its factorization.

239978642416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513173 (or 513167 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 61.

The spelling of 239978642416 in words is "two hundred thirty-nine billion, nine hundred seventy-eight million, six hundred forty-two thousand, four hundred sixteen".