253630610540 has 12 divisors (see below), whose sum is σ = 532624282176. Its totient is φ = 101452244208.

The previous prime is 253630610539. The next prime is 253630610581. The reversal of 253630610540 is 45016036352.

It is a self number, because there is not a number n which added to its sum of digits gives 253630610540.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6340765244 + ... + 6340765283.

It is an arithmetic number, because the mean of its divisors is an integer number (44385356848).

Almost surely, 2^253630610540 is an apocalyptic number.

253630610540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253630610540 is an abundant number, since it is smaller than the sum of its proper divisors (278993671636).

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

253630610540 is a wasteful number, since it uses less digits than its factorization.

253630610540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12681530536 (or 12681530534 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 253630610540 its reverse (45016036352), we get a palindrome (298646646892).

The spelling of 253630610540 in words is "two hundred fifty-three billion, six hundred thirty million, six hundred ten thousand, five hundred forty".