253866680 has 16 divisors (see below), whose sum is σ = 571200120. Its totient is φ = 101546656.

The previous prime is 253866673. The next prime is 253866703. The reversal of 253866680 is 86668352.

253866680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3173294 + ... + 3173373.

Almost surely, 2^253866680 is an apocalyptic number.

253866680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253866680 is an abundant number, since it is smaller than the sum of its proper divisors (317333440).

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

253866680 is a wasteful number, since it uses less digits than its factorization.

253866680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6346678 (or 6346674 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 253866680 is about 15933.1942811227. The cubic root of 253866680 is about 633.1917307308.

The spelling of 253866680 in words is "two hundred fifty-three million, eight hundred sixty-six thousand, six hundred eighty".