11344923840 has 56 divisors (see below), whose sum is σ = 36020136240. Its totient is φ = 3025312768.

The previous prime is 11344923829. The next prime is 11344923841. The reversal of 11344923840 is 4832944311.

It is not an unprimeable number, because it can be changed into a prime (11344923841) 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, 5907855 + ... + 5909774.

Almost surely, 2^11344923840 is an apocalyptic number.

11344923840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11344923840 is an abundant number, since it is smaller than the sum of its proper divisors (24675212400).

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

11344923840 is a wasteful number, since it uses less digits than its factorization.

11344923840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11817649 (or 11817639 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 11344923840 in words is "eleven billion, three hundred forty-four million, nine hundred twenty-three thousand, eight hundred forty".