11404032140 has 48 divisors (see below), whose sum is σ = 25366636512. Its totient is φ = 4291685376.

The previous prime is 11404032139. The next prime is 11404032163. The reversal of 11404032140 is 4123040411.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1327499 + ... + 1336061.

It is an arithmetic number, because the mean of its divisors is an integer number (528471594).

Almost surely, 2^11404032140 is an apocalyptic number.

11404032140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11404032140 is an abundant number, since it is smaller than the sum of its proper divisors (13962604372).

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

11404032140 is a wasteful number, since it uses less digits than its factorization.

11404032140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12506 (or 12504 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11404032140 its reverse (4123040411), we get a palindrome (15527072551).

The spelling of 11404032140 in words is "eleven billion, four hundred four million, thirty-two thousand, one hundred forty".