11440120240 has 20 divisors (see below), whose sum is σ = 26598279744. Its totient is φ = 4576048064.

The previous prime is 11440120231. The next prime is 11440120261. The reversal of 11440120240 is 4202104411.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×11440120240² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71500672 + ... + 71500831.

Almost surely, 2^11440120240 is an apocalyptic number.

11440120240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11440120240 is an abundant number, since it is smaller than the sum of its proper divisors (15158159504).

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

11440120240 is a wasteful number, since it uses less digits than its factorization.

11440120240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143001516 (or 143001510 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 11440120240 its reverse (4202104411), we get a palindrome (15642224651).

The spelling of 11440120240 in words is "eleven billion, four hundred forty million, one hundred twenty thousand, two hundred forty".