11440905424 has 40 divisors (see below), whose sum is σ = 24427068512. Its totient is φ = 5157613440.

The previous prime is 11440905407. The next prime is 11440905491. The reversal of 11440905424 is 42450904411.

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 11440905424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630642 + ... + 648529.

Almost surely, 2^11440905424 is an apocalyptic number.

It is an amenable number.

11440905424 is an abundant number, since it is smaller than the sum of its proper divisors (12986163088).

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

11440905424 is a wasteful number, since it uses less digits than its factorization.

11440905424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279235 (or 1279229 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 11440905424 in words is "eleven billion, four hundred forty million, nine hundred five thousand, four hundred twenty-four".