254889340 has 24 divisors (see below), whose sum is σ = 536002992. Its totient is φ = 101815680.

The previous prime is 254889331. The next prime is 254889379. The reversal of 254889340 is 43988452.

It is a congruent number.

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, 6847 + ... + 23593.

It is an arithmetic number, because the mean of its divisors is an integer number (22333458).

Almost surely, 2^254889340 is an apocalyptic number.

254889340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254889340 is an abundant number, since it is smaller than the sum of its proper divisors (281113652).

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

254889340 is a wasteful number, since it uses less digits than its factorization.

254889340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17517 (or 17515 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 254889340 is about 15965.2541476796. The cubic root of 254889340 is about 634.0408277104.

The spelling of 254889340 in words is "two hundred fifty-four million, eight hundred eighty-nine thousand, three hundred forty".