11940434080 has 48 divisors (see below), whose sum is σ = 28230517224. Its totient is φ = 4772577280.

The previous prime is 11940434071. The next prime is 11940434087. The reversal of 11940434080 is 8043404911.

It can be written as a sum of positive squares in 4 ways, for example, as 7722191376 + 4218242704 = 87876^2 + 64948^2 .

It is not an unprimeable number, because it can be changed into a prime (11940434087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190344 + ... + 245176.

Almost surely, 2^11940434080 is an apocalyptic number.

11940434080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11940434080 is an abundant number, since it is smaller than the sum of its proper divisors (16290083144).

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

11940434080 is a wasteful number, since it uses less digits than its factorization.

11940434080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56209 (or 56201 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

Adding to 11940434080 its reverse (8043404911), we get a palindrome (19983838991).

The spelling of 11940434080 in words is "eleven billion, nine hundred forty million, four hundred thirty-four thousand, eighty".