252144776 has 32 divisors (see below), whose sum is σ = 520988160. Its totient is φ = 113666112.

The previous prime is 252144773. The next prime is 252144859. The reversal of 252144776 is 677441252.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (252144773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23720 + ... + 32663.

It is an arithmetic number, because the mean of its divisors is an integer number (16280880).

Almost surely, 2^252144776 is an apocalyptic number.

252144776 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

252144776 is an abundant number, since it is smaller than the sum of its proper divisors (268843384).

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

252144776 is a wasteful number, since it uses less digits than its factorization.

252144776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56445 (or 56441 counting only the distinct ones).

The product of its digits is 94080, while the sum is 38.

The square root of 252144776 is about 15879.0672270131. The cubic root of 252144776 is about 631.7568965662.

The spelling of 252144776 in words is "two hundred fifty-two million, one hundred forty-four thousand, seven hundred seventy-six".