11420024240 has 40 divisors (see below), whose sum is σ = 26559633408. Its totient is φ = 4566620160.

The previous prime is 11420024219. The next prime is 11420024267. The reversal of 11420024240 is 4242002411.

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 266720 + ... + 306560.

Almost surely, 2^11420024240 is an apocalyptic number.

11420024240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11420024240 is an abundant number, since it is smaller than the sum of its proper divisors (15139609168).

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

11420024240 is a wasteful number, since it uses less digits than its factorization.

11420024240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43437 (or 43431 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 11420024240 its reverse (4242002411), we get a palindrome (15662026651).

The spelling of 11420024240 in words is "eleven billion, four hundred twenty million, twenty-four thousand, two hundred forty".