1330525240 has 32 divisors (see below), whose sum is σ = 3265835760. Its totient is φ = 483827200.

The previous prime is 1330525223. The next prime is 1330525241. The reversal of 1330525240 is 425250331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330525241) 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, 1511521 + ... + 1512400.

Almost surely, 2^1330525240 is an apocalyptic number.

1330525240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330525240 is an abundant number, since it is smaller than the sum of its proper divisors (1935310520).

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

1330525240 is a wasteful number, since it uses less digits than its factorization.

1330525240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3023943 (or 3023939 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1330525240 is about 36476.3654987719. The cubic root of 1330525240 is about 1099.8691965677.

Adding to 1330525240 its reverse (425250331), we get a palindrome (1755775571).

The spelling of 1330525240 in words is "one billion, three hundred thirty million, five hundred twenty-five thousand, two hundred forty".