252723069312 has 64 divisors (see below), whose sum is σ = 767195040000. Its totient is φ = 72206590464.

The previous prime is 252723069311. The next prime is 252723069337. The reversal of 252723069312 is 213960327252.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252723069311) 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, 47006812 + ... + 47012187.

It is an arithmetic number, because the mean of its divisors is an integer number (11987422500).

Almost surely, 2^252723069312 is an apocalyptic number.

It is an amenable number.

252723069312 is an abundant number, since it is smaller than the sum of its proper divisors (514471970688).

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

252723069312 is an equidigital number, since it uses as much as digits as its factorization.

252723069312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94019023 (or 94019011 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 252723069312 in words is "two hundred fifty-two billion, seven hundred twenty-three million, sixty-nine thousand, three hundred twelve".