11440423548 has 36 divisors (see below), whose sum is σ = 28923214320. Its totient is φ = 3812898816.

The previous prime is 11440423543. The next prime is 11440423571. The reversal of 11440423548 is 84532404411.

11440423548 is a `hidden beast` number, since 1 + 14 + 404 + 235 + 4 + 8 = 666.

11440423548 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11440423541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265713 + ... + 305751.

It is an arithmetic number, because the mean of its divisors is an integer number (803422620).

Almost surely, 2^11440423548 is an apocalyptic number.

11440423548 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11440423548 is an abundant number, since it is smaller than the sum of its proper divisors (17482790772).

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

11440423548 is a wasteful number, since it uses less digits than its factorization.

11440423548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47986 (or 47981 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

Adding to 11440423548 its reverse (84532404411), we get a palindrome (95972827959).

The spelling of 11440423548 in words is "eleven billion, four hundred forty million, four hundred twenty-three thousand, five hundred forty-eight".