11840450916 has 96 divisors (see below), whose sum is σ = 32164134912. Its totient is φ = 3320190720.

The previous prime is 11840450911. The next prime is 11840450927. The reversal of 11840450916 is 61905404811.

It is not an unprimeable number, because it can be changed into a prime (11840450911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1577725 + ... + 1585211.

It is an arithmetic number, because the mean of its divisors is an integer number (335043072).

Almost surely, 2^11840450916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11840450916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16082067456).

11840450916 is an abundant number, since it is smaller than the sum of its proper divisors (20323683996).

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

11840450916 is a wasteful number, since it uses less digits than its factorization.

11840450916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7849 (or 7847 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The spelling of 11840450916 in words is "eleven billion, eight hundred forty million, four hundred fifty thousand, nine hundred sixteen".