11942940924 has 72 divisors (see below), whose sum is σ = 30963153312. Its totient is φ = 3879907200.

The previous prime is 11942940917. The next prime is 11942940943. The reversal of 11942940924 is 42904924911.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11942940924.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 267382 + ... + 308834.

It is an arithmetic number, because the mean of its divisors is an integer number (430043796).

Almost surely, 2^11942940924 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 11942940924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15481576656).

11942940924 is an abundant number, since it is smaller than the sum of its proper divisors (19020212388).

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

11942940924 is a wasteful number, since it uses less digits than its factorization.

11942940924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41667 (or 41662 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 11942940924 in words is "eleven billion, nine hundred forty-two million, nine hundred forty thousand, nine hundred twenty-four".