11246471440 has 80 divisors (see below), whose sum is σ = 27508507200. Its totient is φ = 4269794816.

The previous prime is 11246471417. The next prime is 11246471449. The reversal of 11246471440 is 4417464211.

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

It is a junction number, because it is equal to n+sod(n) for n = 11246471396 and 11246471405.

It is not an unprimeable number, because it can be changed into a prime (11246471449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95799 + ... + 177961.

It is an arithmetic number, because the mean of its divisors is an integer number (343856340).

Almost surely, 2^11246471440 is an apocalyptic number.

11246471440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11246471440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13754253600).

11246471440 is an abundant number, since it is smaller than the sum of its proper divisors (16262035760).

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

11246471440 is a wasteful number, since it uses less digits than its factorization.

11246471440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82264 (or 82258 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The spelling of 11246471440 in words is "eleven billion, two hundred forty-six million, four hundred seventy-one thousand, four hundred forty".