268622590 has 16 divisors (see below), whose sum is σ = 496589472. Its totient is φ = 104544864.

The previous prime is 268622587. The next prime is 268622597. The reversal of 268622590 is 95226862.

268622590 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268622597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362634 + ... + 363373.

It is an arithmetic number, because the mean of its divisors is an integer number (31036842).

Almost surely, 2^268622590 is an apocalyptic number.

268622590 is a deficient number, since it is larger than the sum of its proper divisors (227966882).

268622590 is a wasteful number, since it uses less digits than its factorization.

268622590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726051.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 268622590 is about 16389.7098815080. The cubic root of 268622590 is about 645.2294438402.

The spelling of 268622590 in words is "two hundred sixty-eight million, six hundred twenty-two thousand, five hundred ninety".