239776540 has 12 divisors (see below), whose sum is σ = 503530776. Its totient is φ = 95910608.

The previous prime is 239776519. The next prime is 239776547. The reversal of 239776540 is 45677932.

239776540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239776547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5994394 + ... + 5994433.

It is an arithmetic number, because the mean of its divisors is an integer number (41960898).

Almost surely, 2^239776540 is an apocalyptic number.

239776540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

239776540 is an abundant number, since it is smaller than the sum of its proper divisors (263754236).

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

239776540 is a wasteful number, since it uses less digits than its factorization.

239776540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11988836 (or 11988834 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 43.

The square root of 239776540 is about 15484.7195647839. The cubic root of 239776540 is about 621.2535684730.

The spelling of 239776540 in words is "two hundred thirty-nine million, seven hundred seventy-six thousand, five hundred forty".