253020718332 has 72 divisors (see below), whose sum is σ = 663475228416. Its totient is φ = 84313927728.

The previous prime is 253020718303. The next prime is 253020718393. The reversal of 253020718332 is 233817020352.

253020718332 is a `hidden beast` number, since 2 + 5 + 302 + 0 + 7 + 18 + 332 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3210463 + ... + 3288329.

It is an arithmetic number, because the mean of its divisors is an integer number (9214933728).

Almost surely, 2^253020718332 is an apocalyptic number.

It is an amenable number.

253020718332 is an abundant number, since it is smaller than the sum of its proper divisors (410454510084).

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

253020718332 is a wasteful number, since it uses less digits than its factorization.

253020718332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81229 (or 81215 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

Adding to 253020718332 its reverse (233817020352), we get a palindrome (486837738684).

The spelling of 253020718332 in words is "two hundred fifty-three billion, twenty million, seven hundred eighteen thousand, three hundred thirty-two".