253344040 has 16 divisors (see below), whose sum is σ = 570024180. Its totient is φ = 101337600.

The previous prime is 253344023. The next prime is 253344083. The reversal of 253344040 is 40443352.

253344040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 246552804 + 6791236 = 15702^2 + 2606^2 .

It is a junction number, because it is equal to n+sod(n) for n = 253343996 and 253344014.

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, 3166761 + ... + 3166840.

Almost surely, 2^253344040 is an apocalyptic number.

253344040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253344040 is an abundant number, since it is smaller than the sum of its proper divisors (316680140).

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

253344040 is a wasteful number, since it uses less digits than its factorization.

253344040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6333612 (or 6333608 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 253344040 is about 15916.7848512192. The cubic root of 253344040 is about 632.7569110526.

Adding to 253344040 its reverse (40443352), we get a palindrome (293787392).

The spelling of 253344040 in words is "two hundred fifty-three million, three hundred forty-four thousand, forty".