11404120122440 has 32 divisors (see below), whose sum is σ = 25659367964280. Its totient is φ = 4561630682112.

The previous prime is 11404120122397. The next prime is 11404120122449. The reversal of 11404120122440 is 4422102140411.

It can be written as a sum of positive squares in 4 ways, for example, as 11380920567844 + 23199554596 = 3373562^2 + 152314^2 .

It is not an unprimeable number, because it can be changed into a prime (11404120122449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17502992 + ... + 18142848.

Almost surely, 2^{11404120122440} is an apocalyptic number.

11404120122440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11404120122440 is an abundant number, since it is smaller than the sum of its proper divisors (14255247841840).

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

11404120122440 is a wasteful number, since it uses less digits than its factorization.

11404120122440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085441 (or 1085437 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 11404120122440 its reverse (4422102140411), we get a palindrome (15826222262851).

The spelling of 11404120122440 in words is "eleven trillion, four hundred four billion, one hundred twenty million, one hundred twenty-two thousand, four hundred forty".