254664816 has 80 divisors (see below), whose sum is σ = 753951744. Its totient is φ = 72559872.

The previous prime is 254664799. The next prime is 254664853. The reversal of 254664816 is 618466452.

254664816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154750 + ... + 156386.

Almost surely, 2^254664816 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 254664816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376975872).

254664816 is an abundant number, since it is smaller than the sum of its proper divisors (499286928).

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

254664816 is a wasteful number, since it uses less digits than its factorization.

254664816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118 (or 2112 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 254664816 is about 15958.2209534772. The cubic root of 254664816 is about 633.8546041481.

The spelling of 254664816 in words is "two hundred fifty-four million, six hundred sixty-four thousand, eight hundred sixteen".