253300044 has 24 divisors (see below), whose sum is σ = 594664000. Its totient is φ = 83914704.

The previous prime is 253300031. The next prime is 253300049. The reversal of 253300044 is 440003352.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (253300049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62794 + ... + 66705.

Almost surely, 2^253300044 is an apocalyptic number.

It is an amenable number.

253300044 is an abundant number, since it is smaller than the sum of its proper divisors (341363956).

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

253300044 is a wasteful number, since it uses less digits than its factorization.

253300044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129669 (or 129667 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 253300044 is about 15915.4027281750. The cubic root of 253300044 is about 632.7202805155.

Adding to 253300044 its reverse (440003352), we get a palindrome (693303396).

The spelling of 253300044 in words is "two hundred fifty-three million, three hundred thousand, forty-four".