252410889467778 has 16 divisors (see below), whose sum is σ = 513097545804096. Its totient is φ = 82757668677840.

The previous prime is 252410889467749. The next prime is 252410889467813. The reversal of 252410889467778 is 877764988014252.

It is a super-2 number, since 2×252410889467778² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344823619126 + ... + 344823619857.

It is an arithmetic number, because the mean of its divisors is an integer number (32068596612756).

Almost surely, 2^{252410889467778} is an apocalyptic number.

252410889467778 is an abundant number, since it is smaller than the sum of its proper divisors (260686656336318).

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

252410889467778 is a wasteful number, since it uses less digits than its factorization.

252410889467778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689647239049.

The product of its (nonzero) digits is 3034644480, while the sum is 78.

The spelling of 252410889467778 in words is "two hundred fifty-two trillion, four hundred ten billion, eight hundred eighty-nine million, four hundred sixty-seven thousand, seven hundred seventy-eight".