1232132240 has 40 divisors (see below), whose sum is σ = 2873976768. Its totient is φ = 491258240.

The previous prime is 1232132221. The next prime is 1232132263. The reversal of 1232132240 is 422312321.

It is a tau number, because it is divible by the number of its divisors (40).

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119 + ... + 49641.

Almost surely, 2^1232132240 is an apocalyptic number.

1232132240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232132240 is an abundant number, since it is smaller than the sum of its proper divisors (1641844528).

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

1232132240 is a wasteful number, since it uses less digits than its factorization.

1232132240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49847 (or 49841 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1232132240 is about 35101.7412673503. The cubic root of 1232132240 is about 1072.0600369213.

Adding to 1232132240 its reverse (422312321), we get a palindrome (1654444561).

The spelling of 1232132240 in words is "one billion, two hundred thirty-two million, one hundred thirty-two thousand, two hundred forty".