253468428 has 24 divisors (see below), whose sum is σ = 591866688. Its totient is φ = 84426576.

The previous prime is 253468399. The next prime is 253468429. The reversal of 253468428 is 824864352.

It is a self number, because there is not a number n which added to its sum of digits gives 253468428.

It is not an unprimeable number, because it can be changed into a prime (253468429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10675 + ... + 24917.

It is an arithmetic number, because the mean of its divisors is an integer number (24661112).

Almost surely, 2^253468428 is an apocalyptic number.

It is an amenable number.

253468428 is an abundant number, since it is smaller than the sum of its proper divisors (338398260).

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

253468428 is a wasteful number, since it uses less digits than its factorization.

253468428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15733 (or 15731 counting only the distinct ones).

The product of its digits is 368640, while the sum is 42.

The square root of 253468428 is about 15920.6918191390. The cubic root of 253468428 is about 632.8604520566.

The spelling of 253468428 in words is "two hundred fifty-three million, four hundred sixty-eight thousand, four hundred twenty-eight".