250668240 has 40 divisors (see below), whose sum is σ = 777072288. Its totient is φ = 66844800.

The previous prime is 250668227. The next prime is 250668277. The reversal of 250668240 is 42866052.

250668240 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521986 + ... + 522465.

Almost surely, 2^250668240 is an apocalyptic number.

250668240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250668240 is an abundant number, since it is smaller than the sum of its proper divisors (526404048).

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

250668240 is a wasteful number, since it uses less digits than its factorization.

250668240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044467 (or 1044461 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 250668240 is about 15832.5058029359. The cubic root of 250668240 is about 630.5213120183.

The spelling of 250668240 in words is "two hundred fifty million, six hundred sixty-eight thousand, two hundred forty".