11308883440 has 80 divisors (see below), whose sum is σ = 26498304000. Its totient is φ = 4488397056.

The previous prime is 11308883431. The next prime is 11308883459. The reversal of 11308883440 is 4438880311.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 11308883393 and 11308883402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7624939 + ... + 7626421.

It is an arithmetic number, because the mean of its divisors is an integer number (331228800).

Almost surely, 2^11308883440 is an apocalyptic number.

11308883440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11308883440 is an abundant number, since it is smaller than the sum of its proper divisors (15189420560).

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

11308883440 is a wasteful number, since it uses less digits than its factorization.

11308883440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2174 (or 2168 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The spelling of 11308883440 in words is "eleven billion, three hundred eight million, eight hundred eighty-three thousand, four hundred forty".