11040340432 has 20 divisors (see below), whose sum is σ = 23335265376. Its totient is φ = 5018336480.

The previous prime is 11040340391. The next prime is 11040340433. The reversal of 11040340432 is 23404304011.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11040340433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31364428 + ... + 31364779.

Almost surely, 2^11040340432 is an apocalyptic number.

It is an amenable number.

11040340432 is an abundant number, since it is smaller than the sum of its proper divisors (12294924944).

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

11040340432 is a wasteful number, since it uses less digits than its factorization.

11040340432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62729226 (or 62729220 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 11040340432 its reverse (23404304011), we get a palindrome (34444644443).

The spelling of 11040340432 in words is "eleven billion, forty million, three hundred forty thousand, four hundred thirty-two".