252066240 has 84 divisors (see below), whose sum is σ = 867012744. Its totient is φ = 67216896.

The previous prime is 252066233. The next prime is 252066247. The reversal of 252066240 is 42660252.

It is an interprime number because it is at equal distance from previous prime (252066233) and next prime (252066247).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252066247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40882 + ... + 46641.

Almost surely, 2^252066240 is an apocalyptic number.

252066240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252066240 is an abundant number, since it is smaller than the sum of its proper divisors (614946504).

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

252066240 is a wasteful number, since it uses less digits than its factorization.

252066240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87546 (or 87533 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 252066240 is about 15876.5940931927. The cubic root of 252066240 is about 631.6912982585.

The spelling of 252066240 in words is "two hundred fifty-two million, sixty-six thousand, two hundred forty".