11424432140 has 96 divisors (see below), whose sum is σ = 27873647424. Its totient is φ = 3887144960.

The previous prime is 11424432127. The next prime is 11424432197. The reversal of 11424432140 is 4123442411.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 638192 + ... + 655848.

It is an arithmetic number, because the mean of its divisors is an integer number (290350494).

Almost surely, 2^11424432140 is an apocalyptic number.

11424432140 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 11424432140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13936823712).

11424432140 is an abundant number, since it is smaller than the sum of its proper divisors (16449215284).

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

11424432140 is a wasteful number, since it uses less digits than its factorization.

11424432140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17867 (or 17865 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 11424432140 its reverse (4123442411), we get a palindrome (15547874551).

The spelling of 11424432140 in words is "eleven billion, four hundred twenty-four million, four hundred thirty-two thousand, one hundred forty".