252400233546 has 40 divisors (see below), whose sum is σ = 566391792384. Its totient is φ = 84010192200.

The previous prime is 252400233517. The next prime is 252400233559. The reversal of 252400233546 is 645332004252.

252400233546 is a `hidden beast` number, since 2 + 52 + 40 + 0 + 23 + 3 + 546 = 666.

252400233546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×252400233546³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 252400233546.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1029930 + ... + 1251221.

Almost surely, 2^252400233546 is an apocalyptic number.

252400233546 is an abundant number, since it is smaller than the sum of its proper divisors (313991558838).

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

252400233546 is a wasteful number, since it uses less digits than its factorization.

252400233546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281848 (or 2281839 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 252400233546 its reverse (645332004252), we get a palindrome (897732237798).

The spelling of 252400233546 in words is "two hundred fifty-two billion, four hundred million, two hundred thirty-three thousand, five hundred forty-six".