253288470 has 48 divisors (see below), whose sum is σ = 618293520. Its totient is φ = 66407040.

The previous prime is 253288439. The next prime is 253288481. The reversal of 253288470 is 74882352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110496 + ... + 112764.

It is an arithmetic number, because the mean of its divisors is an integer number (12881115).

Almost surely, 2^253288470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253288470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309146760).

253288470 is an abundant number, since it is smaller than the sum of its proper divisors (365005050).

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

253288470 is a wasteful number, since it uses less digits than its factorization.

253288470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2401 (or 2340 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 253288470 is about 15915.0391139953. The cubic root of 253288470 is about 632.7106434385.

The spelling of 253288470 in words is "two hundred fifty-three million, two hundred eighty-eight thousand, four hundred seventy".