254632664 has 64 divisors (see below), whose sum is σ = 593943840. Its totient is φ = 100546560.

The previous prime is 254632633. The next prime is 254632669. The reversal of 254632664 is 466236452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254632669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12902 + ... + 25994.

Almost surely, 2^254632664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 254632664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296971920).

254632664 is an abundant number, since it is smaller than the sum of its proper divisors (339311176).

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

254632664 is a wasteful number, since it uses less digits than its factorization.

254632664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13140 (or 13136 counting only the distinct ones).

The product of its digits is 207360, while the sum is 38.

The square root of 254632664 is about 15957.2135412170. The cubic root of 254632664 is about 633.8279278404.

The spelling of 254632664 in words is "two hundred fifty-four million, six hundred thirty-two thousand, six hundred sixty-four".