250902865242 has 24 divisors (see below), whose sum is σ = 544530448800. Its totient is φ = 83494661640.

The previous prime is 250902865181. The next prime is 250902865243. The reversal of 250902865242 is 242568209052.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (250902865243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11624484 + ... + 11646047.

It is an arithmetic number, because the mean of its divisors is an integer number (22688768700).

Almost surely, 2^250902865242 is an apocalyptic number.

250902865242 is an abundant number, since it is smaller than the sum of its proper divisors (293627583558).

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

250902865242 is a wasteful number, since it uses less digits than its factorization.

250902865242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23271138 (or 23271135 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 250902865242 in words is "two hundred fifty billion, nine hundred two million, eight hundred sixty-five thousand, two hundred forty-two".