239961604017852 has 30 divisors (see below), whose sum is σ = 627307032726528. Its totient is φ = 79987201339176.

The previous prime is 239961604017767. The next prime is 239961604017869. The reversal of 239961604017852 is 258710406169932.

239961604017852 is a `hidden beast` number, since 2 + 3 + 9 + 9 + 6 + 1 + 604 + 0 + 17 + 8 + 5 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 239961604017852.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 370311116988 + ... + 370311117635.

It is a 1-persistent number, because it is pandigital, but 2⋅239961604017852 = 479923208035704 is not.

Almost surely, 2^{239961604017852} is an apocalyptic number.

It is an amenable number.

239961604017852 is an abundant number, since it is smaller than the sum of its proper divisors (387345428708676).

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

239961604017852 is a wasteful number, since it uses less digits than its factorization.

239961604017852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740622234639 (or 740622234628 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 239961604017852 in words is "two hundred thirty-nine trillion, nine hundred sixty-one billion, six hundred four million, seventeen thousand, eight hundred fifty-two".