254861090 has 48 divisors (see below), whose sum is σ = 506532096. Its totient is φ = 92257440.

The previous prime is 254861039. The next prime is 254861149. The reversal of 254861090 is 90168452.

It is a self number, because there is not a number n which added to its sum of digits gives 254861090.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 419567 + ... + 420173.

It is an arithmetic number, because the mean of its divisors is an integer number (10552752).

Almost surely, 2^254861090 is an apocalyptic number.

254861090 is a deficient number, since it is larger than the sum of its proper divisors (251671006).

254861090 is a wasteful number, since it uses less digits than its factorization.

254861090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983 (or 972 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 254861090 is about 15964.3693893620. The cubic root of 254861090 is about 634.0174027538.

The spelling of 254861090 in words is "two hundred fifty-four million, eight hundred sixty-one thousand, ninety".