253273140660 has 48 divisors (see below), whose sum is σ = 709202422656. Its totient is φ = 67535920512.

The previous prime is 253273140647. The next prime is 253273140661. The reversal of 253273140660 is 66041372352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253273140661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1144777 + ... + 1347983.

It is an arithmetic number, because the mean of its divisors is an integer number (14775050472).

Almost surely, 2^253273140660 is an apocalyptic number.

253273140660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253273140660 is an abundant number, since it is smaller than the sum of its proper divisors (455929281996).

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

253273140660 is a wasteful number, since it uses less digits than its factorization.

253273140660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223992 (or 223990 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 253273140660 in words is "two hundred fifty-three billion, two hundred seventy-three million, one hundred forty thousand, six hundred sixty".