11440136448 has 108 divisors (see below), whose sum is σ = 35522113900. Its totient is φ = 3520032768.

The previous prime is 11440136401. The next prime is 11440136453. The reversal of 11440136448 is 84463104411.

It is a happy number.

11440136448 is a `hidden beast` number, since 1 + 1 + 4 + 4 + 0 + 1 + 3 + 644 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7834374144 + 3605762304 = 88512^2 + 60048^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161023 + ... + 220926.

Almost surely, 2^11440136448 is an apocalyptic number.

11440136448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11440136448 is an abundant number, since it is smaller than the sum of its proper divisors (24081977452).

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

11440136448 is a wasteful number, since it uses less digits than its factorization.

11440136448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381984 (or 381967 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 11440136448 in words is "eleven billion, four hundred forty million, one hundred thirty-six thousand, four hundred forty-eight".