1432120240 has 80 divisors (see below), whose sum is σ = 3387211776. Its totient is φ = 563040000.

The previous prime is 1432120229. The next prime is 1432120247. The reversal of 1432120240 is 420212341.

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

It is not an unprimeable number, because it can be changed into a prime (1432120247) 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, 1243665 + ... + 1244815.

Almost surely, 2^1432120240 is an apocalyptic number.

1432120240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1432120240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1693605888).

1432120240 is an abundant number, since it is smaller than the sum of its proper divisors (1955091536).

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

1432120240 is a wasteful number, since it uses less digits than its factorization.

1432120240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418 (or 1412 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1432120240 is about 37843.3645438669. The cubic root of 1432120240 is about 1127.1797055805.

Adding to 1432120240 its reverse (420212341), we get a palindrome (1852332581).

The spelling of 1432120240 in words is "one billion, four hundred thirty-two million, one hundred twenty thousand, two hundred forty".