255140898 has 48 divisors (see below), whose sum is σ = 538068960. Its totient is φ = 80628352.

The previous prime is 255140861. The next prime is 255140923. The reversal of 255140898 is 898041552.

It is a happy number.

It is a Curzon number.

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, 297286 + ... + 298142.

It is an arithmetic number, because the mean of its divisors is an integer number (11209770).

Almost surely, 2^255140898 is an apocalyptic number.

255140898 is an abundant number, since it is smaller than the sum of its proper divisors (282928062).

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

255140898 is a wasteful number, since it uses less digits than its factorization.

255140898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979 (or 950 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 42.

The square root of 255140898 is about 15973.1305009381. The cubic root of 255140898 is about 634.2493438193.

The spelling of 255140898 in words is "two hundred fifty-five million, one hundred forty thousand, eight hundred ninety-eight".