254866340 has 12 divisors (see below), whose sum is σ = 535219356. Its totient is φ = 101946528.

The previous prime is 254866327. The next prime is 254866349. The reversal of 254866340 is 43668452.

It can be written as a sum of positive squares in 2 ways, for example, as 70123876 + 184742464 = 8374^2 + 13592^2 .

It is a junction number, because it is equal to n+sod(n) for n = 254866294 and 254866303.

It is not an unprimeable number, because it can be changed into a prime (254866349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6371639 + ... + 6371678.

It is an arithmetic number, because the mean of its divisors is an integer number (44601613).

Almost surely, 2^254866340 is an apocalyptic number.

254866340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254866340 is an abundant number, since it is smaller than the sum of its proper divisors (280353016).

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

254866340 is a wasteful number, since it uses less digits than its factorization.

254866340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12743326 (or 12743324 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 254866340 is about 15964.5338171836. The cubic root of 254866340 is about 634.0217561953.

The spelling of 254866340 in words is "two hundred fifty-four million, eight hundred sixty-six thousand, three hundred forty".