11432140 has 24 divisors (see below), whose sum is σ = 24076080. Its totient is φ = 4559808.

The previous prime is 11432093. The next prime is 11432189. The reversal of 11432140 is 4123411.

11432140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 9619 + ... + 10741.

It is an arithmetic number, because the mean of its divisors is an integer number (1003170).

Almost surely, 2^11432140 is an apocalyptic number.

11432140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11432140 is an abundant number, since it is smaller than the sum of its proper divisors (12643940).

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

11432140 is a wasteful number, since it uses less digits than its factorization.

11432140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641 (or 1639 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 11432140 is about 3381.1447765513. The cubic root of 11432140 is about 225.2730183757.

Adding to 11432140 its reverse (4123411), we get a palindrome (15555551).

The spelling of 11432140 in words is "eleven million, four hundred thirty-two thousand, one hundred forty".