250140290 has 16 divisors (see below), whose sum is σ = 450483768. Its totient is φ = 100004736.

The previous prime is 250140277. The next prime is 250140311. The reversal of 250140290 is 92041052.

250140290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 200873929 + 49266361 = 14173^2 + 7019^2 .

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, 18704 + ... + 29156.

Almost surely, 2^250140290 is an apocalyptic number.

250140290 is a deficient number, since it is larger than the sum of its proper divisors (200343478).

250140290 is a wasteful number, since it uses less digits than its factorization.

250140290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12853.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 250140290 is about 15815.8240379691. The cubic root of 250140290 is about 630.0783391287.

The spelling of 250140290 in words is "two hundred fifty million, one hundred forty thousand, two hundred ninety".