254439564 has 48 divisors (see below), whose sum is σ = 626129280. Its totient is φ = 80196480.

The previous prime is 254439553. The next prime is 254439569. The reversal of 254439564 is 465934452.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (254439569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216699 + ... + 217869.

It is an arithmetic number, because the mean of its divisors is an integer number (13044360).

Almost surely, 2^254439564 is an apocalyptic number.

It is an amenable number.

254439564 is an abundant number, since it is smaller than the sum of its proper divisors (371689716).

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

254439564 is a wasteful number, since it uses less digits than its factorization.

254439564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150 (or 2148 counting only the distinct ones).

The product of its digits is 518400, while the sum is 42.

The square root of 254439564 is about 15951.1618385621. The cubic root of 254439564 is about 633.6676667509.

The spelling of 254439564 in words is "two hundred fifty-four million, four hundred thirty-nine thousand, five hundred sixty-four".