11494244640 has 192 divisors, whose sum is σ = 36923886720. Its totient is φ = 3004784640.

The previous prime is 11494244639. The next prime is 11494244647. The reversal of 11494244640 is 4644249411.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11494244647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13380531 + ... + 13381389.

It is an arithmetic number, because the mean of its divisors is an integer number (192311910).

Almost surely, 2^11494244640 is an apocalyptic number.

11494244640 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 11494244640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18461943360).

11494244640 is an abundant number, since it is smaller than the sum of its proper divisors (25429642080).

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

11494244640 is a wasteful number, since it uses less digits than its factorization.

11494244640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395 (or 1387 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 11494244640 in words is "eleven billion, four hundred ninety-four million, two hundred forty-four thousand, six hundred forty".