253120203340 has 48 divisors (see below), whose sum is σ = 532554422400. Its totient is φ = 101057421312.

The previous prime is 253120203337. The next prime is 253120203403. The reversal of 253120203340 is 43302021352.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25284256 + ... + 25294264.

It is an arithmetic number, because the mean of its divisors is an integer number (11094883800).

Almost surely, 2^253120203340 is an apocalyptic number.

253120203340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253120203340 is an abundant number, since it is smaller than the sum of its proper divisors (279434219060).

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

253120203340 is a wasteful number, since it uses less digits than its factorization.

253120203340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12274 (or 12272 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 253120203340 its reverse (43302021352), we get a palindrome (296422224692).

The spelling of 253120203340 in words is "two hundred fifty-three billion, one hundred twenty million, two hundred three thousand, three hundred forty".