11434422440 has 48 divisors (see below), whose sum is σ = 29927855700. Its totient is φ = 3920372736.

The previous prime is 11434422437. The next prime is 11434422449. The reversal of 11434422440 is 4422443411.

It can be written as a sum of positive squares in 2 ways, for example, as 11057363716 + 377058724 = 105154^2 + 19418^2 .

It is not an unprimeable number, because it can be changed into a prime (11434422449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2914985 + ... + 2918904.

Almost surely, 2^11434422440 is an apocalyptic number.

11434422440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11434422440 is an abundant number, since it is smaller than the sum of its proper divisors (18493433260).

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

11434422440 is a wasteful number, since it uses less digits than its factorization.

11434422440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5833914 (or 5833903 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 11434422440 its reverse (4422443411), we get a palindrome (15856865851).

The spelling of 11434422440 in words is "eleven billion, four hundred thirty-four million, four hundred twenty-two thousand, four hundred forty".