11944448940 has 24 divisors (see below), whose sum is σ = 33444457200. Its totient is φ = 3185186368.

The previous prime is 11944448927. The next prime is 11944448951. The reversal of 11944448940 is 4984444911.

It is a self number, because there is not a number n which added to its sum of digits gives 11944448940.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99537015 + ... + 99537134.

It is an arithmetic number, because the mean of its divisors is an integer number (1393519050).

Almost surely, 2^11944448940 is an apocalyptic number.

11944448940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11944448940 is an abundant number, since it is smaller than the sum of its proper divisors (21500008260).

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

11944448940 is a wasteful number, since it uses less digits than its factorization.

11944448940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199074161 (or 199074159 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The spelling of 11944448940 in words is "eleven billion, nine hundred forty-four million, four hundred forty-eight thousand, nine hundred forty".