254694864 has 20 divisors (see below), whose sum is σ = 657961856. Its totient is φ = 84898272.

The previous prime is 254694857. The next prime is 254694887. The reversal of 254694864 is 468496452.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 5306143 = 254694864 / (2 + 5 + 4 + 6 + 9 + 4 + 8 + 6 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2653024 + ... + 2653119.

Almost surely, 2^254694864 is an apocalyptic number.

254694864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

254694864 is an abundant number, since it is smaller than the sum of its proper divisors (403266992).

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

254694864 is a wasteful number, since it uses less digits than its factorization.

254694864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5306154 (or 5306148 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 48.

The square root of 254694864 is about 15959.1623840351. The cubic root of 254694864 is about 633.8795327509.

The spelling of 254694864 in words is "two hundred fifty-four million, six hundred ninety-four thousand, eight hundred sixty-four".