253155633140 has 96 divisors (see below), whose sum is σ = 545931187200. Its totient is φ = 98570774016.

The previous prime is 253155633131. The next prime is 253155633209. The reversal of 253155633140 is 41336551352.

It is a junction number, because it is equal to n+sod(n) for n = 253155633094 and 253155633103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83741669 + ... + 83744691.

It is an arithmetic number, because the mean of its divisors is an integer number (5686783200).

Almost surely, 2^253155633140 is an apocalyptic number.

253155633140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253155633140 is an abundant number, since it is smaller than the sum of its proper divisors (292775554060).

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

253155633140 is a wasteful number, since it uses less digits than its factorization.

253155633140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3681 (or 3679 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 38.

The spelling of 253155633140 in words is "two hundred fifty-three billion, one hundred fifty-five million, six hundred thirty-three thousand, one hundred forty".