11420141440 has 32 divisors (see below), whose sum is σ = 27301277160. Its totient is φ = 4568056320.

The previous prime is 11420141399. The next prime is 11420141471. The reversal of 11420141440 is 4414102411.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8921346 + ... + 8922625.

Almost surely, 2^11420141440 is an apocalyptic number.

11420141440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11420141440 is an abundant number, since it is smaller than the sum of its proper divisors (15881135720).

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

11420141440 is an equidigital number, since it uses as much as digits as its factorization.

11420141440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17843990 (or 17843978 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 11420141440 its reverse (4414102411), we get a palindrome (15834243851).

The spelling of 11420141440 in words is "eleven billion, four hundred twenty million, one hundred forty-one thousand, four hundred forty".