11630444540 has 96 divisors (see below), whose sum is σ = 30204195840. Its totient is φ = 3698438400.

The previous prime is 11630444533. The next prime is 11630444563. The reversal of 11630444540 is 4544403611.

It is a junction number, because it is equal to n+sod(n) for n = 11630444497 and 11630444506.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 52676 + ... + 161355.

It is an arithmetic number, because the mean of its divisors is an integer number (314627040).

Almost surely, 2^11630444540 is an apocalyptic number.

11630444540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11630444540 is an abundant number, since it is smaller than the sum of its proper divisors (18573751300).

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

11630444540 is a wasteful number, since it uses less digits than its factorization.

11630444540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214083 (or 214081 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 11630444540 in words is "eleven billion, six hundred thirty million, four hundred forty-four thousand, five hundred forty".