12443735560 has 64 divisors (see below), whose sum is σ = 28460160000. Its totient is φ = 4895884032.

The previous prime is 12443735527. The next prime is 12443735567. The reversal of 12443735560 is 6553734421.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (12443735567) 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, 842721 + ... + 857359.

It is an arithmetic number, because the mean of its divisors is an integer number (444690000).

Almost surely, 2^12443735560 is an apocalyptic number.

12443735560 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 12443735560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14230080000).

12443735560 is an abundant number, since it is smaller than the sum of its proper divisors (16016424440).

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

12443735560 is a wasteful number, since it uses less digits than its factorization.

12443735560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14998 (or 14994 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 12443735560 in words is "twelve billion, four hundred forty-three million, seven hundred thirty-five thousand, five hundred sixty".