11447004040 has 16 divisors (see below), whose sum is σ = 25755759180. Its totient is φ = 4578801600.

The previous prime is 11447004029. The next prime is 11447004053. The reversal of 11447004040 is 4040074411.

It can be written as a sum of positive squares in 2 ways, for example, as 10327030884 + 1119973156 = 101622^2 + 33466^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11447003996 and 11447004014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143087511 + ... + 143087590.

Almost surely, 2^11447004040 is an apocalyptic number.

11447004040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11447004040 is an abundant number, since it is smaller than the sum of its proper divisors (14308755140).

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

11447004040 is a wasteful number, since it uses less digits than its factorization.

11447004040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286175112 (or 286175108 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

Adding to 11447004040 its reverse (4040074411), we get a palindrome (15487078451).

The spelling of 11447004040 in words is "eleven billion, four hundred forty-seven million, four thousand, forty".