252278468 has 18 divisors (see below), whose sum is σ = 478061514. Its totient is φ = 116435904.

The previous prime is 252278459. The next prime is 252278471. The reversal of 252278468 is 864872252.

252278468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1119364 + 251159104 = 1058^2 + 15848^2 .

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, 185921 + ... + 187272.

It is an arithmetic number, because the mean of its divisors is an integer number (26558973).

Almost surely, 2^252278468 is an apocalyptic number.

It is an amenable number.

252278468 is a deficient number, since it is larger than the sum of its proper divisors (225783046).

252278468 is a wasteful number, since it uses less digits than its factorization.

252278468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373223 (or 373208 counting only the distinct ones).

The product of its digits is 430080, while the sum is 44.

The square root of 252278468 is about 15883.2763622623. The cubic root of 252278468 is about 631.8685333821.

The spelling of 252278468 in words is "two hundred fifty-two million, two hundred seventy-eight thousand, four hundred sixty-eight".