254440863 has 24 divisors (see below), whose sum is σ = 380849040. Its totient is φ = 163587840.

The previous prime is 254440861. The next prime is 254440871. The reversal of 254440863 is 368044452.

It is not a de Polignac number, because 254440863 - 2¹ = 254440861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254440861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23623 + ... + 32663.

It is an arithmetic number, because the mean of its divisors is an integer number (15868710).

Almost surely, 2^254440863 is an apocalyptic number.

254440863 is a deficient number, since it is larger than the sum of its proper divisors (126408177).

254440863 is a wasteful number, since it uses less digits than its factorization.

254440863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9159 (or 9156 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 254440863 is about 15951.2025565473. The cubic root of 254440863 is about 633.6687451116.

The spelling of 254440863 in words is "two hundred fifty-four million, four hundred forty thousand, eight hundred sixty-three".