252016040 has 32 divisors (see below), whose sum is σ = 567665280. Its totient is φ = 100694592.

The previous prime is 252016033. The next prime is 252016043. The reversal of 252016040 is 40610252.

It is a happy number.

252016040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (252016043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39557 + ... + 45483.

It is an arithmetic number, because the mean of its divisors is an integer number (17739540).

Almost surely, 2^252016040 is an apocalyptic number.

252016040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252016040 is an abundant number, since it is smaller than the sum of its proper divisors (315649240).

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

252016040 is a wasteful number, since it uses less digits than its factorization.

252016040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7001 (or 6997 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 252016040 is about 15875.0130708608. The cubic root of 252016040 is about 631.6493608580.

Adding to 252016040 its reverse (40610252), we get a palindrome (292626292).

The spelling of 252016040 in words is "two hundred fifty-two million, sixteen thousand, forty".