11842010040 has 128 divisors (see below), whose sum is σ = 40624312320. Its totient is φ = 2705203200.

The previous prime is 11842010027. The next prime is 11842010051. The reversal of 11842010040 is 4001024811.

It is a happy number.

It is a Cunningham number, because it is equal to 108821²-1.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 11842009989 and 11842010016.

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 31 ways as a sum of consecutive naturals, for example, 2173720 + ... + 2179160.

It is an arithmetic number, because the mean of its divisors is an integer number (317377440).

Almost surely, 2^11842010040 is an apocalyptic number.

11842010040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11842010040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20312156160).

11842010040 is an abundant number, since it is smaller than the sum of its proper divisors (28782302280).

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

11842010040 is a wasteful number, since it uses less digits than its factorization.

11842010040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8053 (or 8049 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 11842010040 its reverse (4001024811), we get a palindrome (15843034851).

The spelling of 11842010040 in words is "eleven billion, eight hundred forty-two million, ten thousand, forty".