1232532240 has 80 divisors (see below), whose sum is σ = 3824273088. Its totient is φ = 328380928.

The previous prime is 1232532227. The next prime is 1232532247. The reversal of 1232532240 is 422352321.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1232532240.

It is not an unprimeable number, because it can be changed into a prime (1232532247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456334 + ... + 459026.

Almost surely, 2^1232532240 is an apocalyptic number.

1232532240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232532240 is an abundant number, since it is smaller than the sum of its proper divisors (2591740848).

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

1232532240 is a wasteful number, since it uses less digits than its factorization.

1232532240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4616 (or 4610 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 1232532240 is about 35107.4385280385. The cubic root of 1232532240 is about 1072.1760357307.

Adding to 1232532240 its reverse (422352321), we get a palindrome (1654884561).

The spelling of 1232532240 in words is "one billion, two hundred thirty-two million, five hundred thirty-two thousand, two hundred forty".