252650001400 has 24 divisors (see below), whose sum is σ = 587411253720. Its totient is φ = 101060000480.

The previous prime is 252650001397. The next prime is 252650001419. The reversal of 252650001400 is 4100056252.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 631624804 + ... + 631625203.

It is an arithmetic number, because the mean of its divisors is an integer number (24475468905).

Almost surely, 2^252650001400 is an apocalyptic number.

252650001400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252650001400 is an abundant number, since it is smaller than the sum of its proper divisors (334761252320).

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

252650001400 is a wasteful number, since it uses less digits than its factorization.

252650001400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263250023 (or 1263250014 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 252650001400 its reverse (4100056252), we get a palindrome (256750057652).

The spelling of 252650001400 in words is "two hundred fifty-two billion, six hundred fifty million, one thousand, four hundred".