252450040134 has 8 divisors (see below), whose sum is σ = 504900080280. Its totient is φ = 84150013376.

The previous prime is 252450040081. The next prime is 252450040147. The reversal of 252450040134 is 431040054252.

It is a sphenic number, since it is the product of 3 distinct primes.

252450040134 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21037503339 + ... + 21037503350.

It is an arithmetic number, because the mean of its divisors is an integer number (63112510035).

Almost surely, 2^252450040134 is an apocalyptic number.

252450040134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

252450040134 is a wasteful number, since it uses less digits than its factorization.

252450040134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42075006694.

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

Adding to 252450040134 its reverse (431040054252), we get a palindrome (683490094386).

The spelling of 252450040134 in words is "two hundred fifty-two billion, four hundred fifty million, forty thousand, one hundred thirty-four".