1252330240 has 216 divisors, whose sum is σ = 3581921952. Its totient is φ = 418037760.

The previous prime is 1252330217. The next prime is 1252330241. The reversal of 1252330240 is 420332521.

It is not an unprimeable number, because it can be changed into a prime (1252330241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2571277 + ... + 2571763.

It is an arithmetic number, because the mean of its divisors is an integer number (16582972).

Almost surely, 2^1252330240 is an apocalyptic number.

1252330240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1252330240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1790960976).

1252330240 is an abundant number, since it is smaller than the sum of its proper divisors (2329591712).

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

1252330240 is an equidigital number, since it uses as much as digits as its factorization.

1252330240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 1252330240 is about 35388.2782853306. The cubic root of 1252330240 is about 1077.8863094809.

Adding to 1252330240 its reverse (420332521), we get a palindrome (1672662761).

The spelling of 1252330240 in words is "one billion, two hundred fifty-two million, three hundred thirty thousand, two hundred forty".