253445360 has 80 divisors (see below), whose sum is σ = 680260032. Its totient is φ = 86016000.

The previous prime is 253445359. The next prime is 253445369. The reversal of 253445360 is 63544352.

253445360 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 (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253445369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54320 + ... + 58800.

Almost surely, 2^253445360 is an apocalyptic number.

253445360 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 253445360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340130016).

253445360 is an abundant number, since it is smaller than the sum of its proper divisors (426814672).

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

253445360 is a wasteful number, since it uses less digits than its factorization.

253445360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4602 (or 4596 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 253445360 is about 15919.9673366499. The cubic root of 253445360 is about 632.8412527321.

The spelling of 253445360 in words is "two hundred fifty-three million, four hundred forty-five thousand, three hundred sixty".