250026990 has 32 divisors (see below), whose sum is σ = 635364000. Its totient is φ = 62751744.

The previous prime is 250026989. The next prime is 250027013. The reversal of 250026990 is 99620052.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244615 + ... + 245634.

It is an arithmetic number, because the mean of its divisors is an integer number (19855125).

Almost surely, 2^250026990 is an apocalyptic number.

250026990 is an abundant number, since it is smaller than the sum of its proper divisors (385337010).

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

250026990 is a wasteful number, since it uses less digits than its factorization.

250026990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490276.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 250026990 is about 15812.2417765477. The cubic root of 250026990 is about 629.9831943111.

The spelling of 250026990 in words is "two hundred fifty million, twenty-six thousand, nine hundred ninety".