253668000 has 96 divisors (see below), whose sum is σ = 831055680. Its totient is φ = 67641600.

The previous prime is 253667987. The next prime is 253668011. The reversal of 253668000 is 866352.

253668000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 1431 + ... + 22569.

It is an arithmetic number, because the mean of its divisors is an integer number (8656830).

Almost surely, 2^253668000 is an apocalyptic number.

253668000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253668000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415527840).

253668000 is an abundant number, since it is smaller than the sum of its proper divisors (577387680).

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

253668000 is a wasteful number, since it uses less digits than its factorization.

253668000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21167 (or 21149 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 253668000 is about 15926.9582783405. The cubic root of 253668000 is about 633.0265057321.

The spelling of 253668000 in words is "two hundred fifty-three million, six hundred sixty-eight thousand".