252440230251000 has 128 divisors (see below), whose sum is σ = 859214747439360. Its totient is φ = 61197631568000.

The previous prime is 252440230250983. The next prime is 252440230251029. The reversal of 252440230251000 is 152032044252.

It is a super-3 number, since 3×252440230251000³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3824818974 + ... + 3824884973.

It is an arithmetic number, because the mean of its divisors is an integer number (6712615214370).

Almost surely, 2^{252440230251000} is an apocalyptic number.

252440230251000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252440230251000 is an abundant number, since it is smaller than the sum of its proper divisors (606774517188360).

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

252440230251000 is a wasteful number, since it uses less digits than its factorization.

252440230251000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7649703982 (or 7649703968 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 252440230251000 its reverse (152032044252), we get a palindrome (252592262295252).

The spelling of 252440230251000 in words is "two hundred fifty-two trillion, four hundred forty billion, two hundred thirty million, two hundred fifty-one thousand".