1432132440 has 64 divisors (see below), whose sum is σ = 4301890560. Its totient is φ = 381413760.

The previous prime is 1432132379. The next prime is 1432132447. The reversal of 1432132440 is 442312341.

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 1432132440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1432132447) 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, 92025 + ... + 106455.

It is an arithmetic number, because the mean of its divisors is an integer number (67217040).

Almost surely, 2^1432132440 is an apocalyptic number.

1432132440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1432132440 is an abundant number, since it is smaller than the sum of its proper divisors (2869758120).

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

1432132440 is a wasteful number, since it uses less digits than its factorization.

1432132440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15272 (or 15268 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1432132440 is about 37843.5257342653. The cubic root of 1432132440 is about 1127.1829063251.

Adding to 1432132440 its reverse (442312341), we get a palindrome (1874444781).

The spelling of 1432132440 in words is "one billion, four hundred thirty-two million, one hundred thirty-two thousand, four hundred forty".