250109940 has 48 divisors (see below), whose sum is σ = 705442752. Its totient is φ = 66206976.

The previous prime is 250109929. The next prime is 250109957. The reversal of 250109940 is 49901052.

It is a happy number.

250109940 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 250109898 and 250109907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6994 + ... + 23433.

It is an arithmetic number, because the mean of its divisors is an integer number (14696724).

Almost surely, 2^250109940 is an apocalyptic number.

250109940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250109940 is an abundant number, since it is smaller than the sum of its proper divisors (455332812).

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

250109940 is a wasteful number, since it uses less digits than its factorization.

250109940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30576 (or 30574 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 250109940 is about 15814.8645267672. The cubic root of 250109940 is about 630.0528552279.

The spelling of 250109940 in words is "two hundred fifty million, one hundred nine thousand, nine hundred forty".