252002423520144 has 120 divisors (see below), whose sum is σ = 769412705810112. Its totient is φ = 76360234748160.

The previous prime is 252002423520143. The next prime is 252002423520157. The reversal of 252002423520144 is 441025324200252.

252002423520144 is a `hidden beast` number, since 2 + 5 + 20 + 0 + 2 + 423 + 5 + 201 + 4 + 4 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 252002423520099 and 252002423520108.

It is not an unprimeable number, because it can be changed into a prime (252002423520143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25009654 + ... + 33607850.

Almost surely, 2^{252002423520144} is an apocalyptic number.

252002423520144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

252002423520144 is an abundant number, since it is smaller than the sum of its proper divisors (517410282289968).

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

252002423520144 is a wasteful number, since it uses less digits than its factorization.

252002423520144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8616725 (or 8616716 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 252002423520144 its reverse (441025324200252), we get a palindrome (693027747720396).

The spelling of 252002423520144 in words is "two hundred fifty-two trillion, two billion, four hundred twenty-three million, five hundred twenty thousand, one hundred forty-four".