252425440000 has 90 divisors (see below), whose sum is σ = 629629907060. Its totient is φ = 100970112000.

The previous prime is 252425439997. The next prime is 252425440037. The reversal of 252425440000 is 44524252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 628830 + ... + 948829.

Almost surely, 2^252425440000 is an apocalyptic number.

252425440000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252425440000 is an abundant number, since it is smaller than the sum of its proper divisors (377204467060).

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

252425440000 is an frugal number, since it uses more digits than its factorization.

252425440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577695 (or 1577666 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

Adding to 252425440000 its reverse (44524252), we get a palindrome (252469964252).

The spelling of 252425440000 in words is "two hundred fifty-two billion, four hundred twenty-five million, four hundred forty thousand".