253874523860 has 24 divisors (see below), whose sum is σ = 539126801640. Its totient is φ = 100408799744.

The previous prime is 253874523841. The next prime is 253874523869. The reversal of 253874523860 is 68325478352.

It can be written as a sum of positive squares in 4 ways, for example, as 45562610116 + 208311913744 = 213454^2 + 456412^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253874523869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71311289 + ... + 71314848.

It is an arithmetic number, because the mean of its divisors is an integer number (22463616735).

Almost surely, 2^253874523860 is an apocalyptic number.

253874523860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253874523860 is an abundant number, since it is smaller than the sum of its proper divisors (285252277780).

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

253874523860 is a wasteful number, since it uses less digits than its factorization.

253874523860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142626235 (or 142626233 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 53.

The spelling of 253874523860 in words is "two hundred fifty-three billion, eight hundred seventy-four million, five hundred twenty-three thousand, eight hundred sixty".