11440640477952 has 216 divisors, whose sum is σ = 38575210978304. Its totient is φ = 3192736684032.

The previous prime is 11440640477947. The next prime is 11440640477963. The reversal of 11440640477952 is 25977404604411.

It is a happy number.

11440640477952 is a `hidden beast` number, since 1 + 1 + 4 + 40 + 6 + 40 + 477 + 95 + 2 = 666.

It is a super-2 number, since 2×11440640477952² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7554928 + ... + 8941935.

Almost surely, 2^{11440640477952} is an apocalyptic number.

11440640477952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11440640477952 is an abundant number, since it is smaller than the sum of its proper divisors (27134570500352).

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

11440640477952 is a wasteful number, since it uses less digits than its factorization.

11440640477952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16496935 (or 16496918 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 11440640477952 in words is "eleven trillion, four hundred forty billion, six hundred forty million, four hundred seventy-seven thousand, nine hundred fifty-two".