250368642 has 12 divisors (see below), whose sum is σ = 542465430. Its totient is φ = 83456208.

The previous prime is 250368637. The next prime is 250368647. The reversal of 250368642 is 246863052.

250368642 is a `hidden beast` number, since 2 + 5 + 0 + 3 + 6 + 8 + 642 = 666.

It is an interprime number because it is at equal distance from previous prime (250368637) and next prime (250368647).

It can be written as a sum of positive squares in only one way, i.e., 162027441 + 88341201 = 12729^2 + 9399^2 .

It is a junction number, because it is equal to n+sod(n) for n = 250368597 and 250368606.

It is not an unprimeable number, because it can be changed into a prime (250368647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6954667 + ... + 6954702.

Almost surely, 2^250368642 is an apocalyptic number.

250368642 is an abundant number, since it is smaller than the sum of its proper divisors (292096788).

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

250368642 is a wasteful number, since it uses less digits than its factorization.

250368642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13909377 (or 13909374 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 250368642 is about 15823.0414901813. The cubic root of 250368642 is about 630.2700127541.

The spelling of 250368642 in words is "two hundred fifty million, three hundred sixty-eight thousand, six hundred forty-two".