4232520440 has 16 divisors (see below), whose sum is σ = 9523171080. Its totient is φ = 1693008160.

The previous prime is 4232520433. The next prime is 4232520451. The reversal of 4232520440 is 440252324.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52906466 + ... + 52906545.

Almost surely, 2^4232520440 is an apocalyptic number.

4232520440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4232520440 is an abundant number, since it is smaller than the sum of its proper divisors (5290650640).

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

4232520440 is a wasteful number, since it uses less digits than its factorization.

4232520440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105813022 (or 105813018 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 4232520440 is about 65057.8238185078. The cubic root of 4232520440 is about 1617.5821830205.

Adding to 4232520440 its reverse (440252324), we get a palindrome (4672772764).

The spelling of 4232520440 in words is "four billion, two hundred thirty-two million, five hundred twenty thousand, four hundred forty".