11340012440 has 32 divisors (see below), whose sum is σ = 26857926000. Its totient is φ = 4297267584.

The previous prime is 11340012427. The next prime is 11340012457. The reversal of 11340012440 is 4421004311.

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

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 7459775 + ... + 7461294.

Almost surely, 2^11340012440 is an apocalyptic number.

11340012440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11340012440 is an abundant number, since it is smaller than the sum of its proper divisors (15517913560).

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

11340012440 is a wasteful number, since it uses less digits than its factorization.

11340012440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14921099 (or 14921095 counting only the distinct ones).

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

Adding to 11340012440 its reverse (4421004311), we get a palindrome (15761016751).

The spelling of 11340012440 in words is "eleven billion, three hundred forty million, twelve thousand, four hundred forty".