2256390650 has 24 divisors (see below), whose sum is σ = 4256004384. Its totient is φ = 889842800.

The previous prime is 2256390613. The next prime is 2256390673. The reversal of 2256390650 is 560936522.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 314252 + ... + 321351.

It is an arithmetic number, because the mean of its divisors is an integer number (177333516).

Almost surely, 2^2256390650 is an apocalyptic number.

2256390650 is a deficient number, since it is larger than the sum of its proper divisors (1999613734).

2256390650 is a wasteful number, since it uses less digits than its factorization.

2256390650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635686 (or 635681 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 2256390650 is about 47501.4805032433. The cubic root of 2256390650 is about 1311.6101348341.

The spelling of 2256390650 in words is "two billion, two hundred fifty-six million, three hundred ninety thousand, six hundred fifty".