254678920 has 32 divisors (see below), whose sum is σ = 573586200. Its totient is φ = 101772288.

The previous prime is 254678849. The next prime is 254678927. The reversal of 254678920 is 29876452.

254678920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 238949764 + 15729156 = 15458^2 + 3966^2 .

It is a super-2 number, since 2×254678920² = 129722704584732800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (254678927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49426 + ... + 54334.

Almost surely, 2^254678920 is an apocalyptic number.

254678920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254678920 is an abundant number, since it is smaller than the sum of its proper divisors (318907280).

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

254678920 is a wasteful number, since it uses less digits than its factorization.

254678920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6217 (or 6213 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 254678920 is about 15958.6628512542. The cubic root of 254678920 is about 633.8663054377.

The spelling of 254678920 in words is "two hundred fifty-four million, six hundred seventy-eight thousand, nine hundred twenty".