12849418240 has 104 divisors (see below), whose sum is σ = 31554091008. Its totient is φ = 5019893760.

The previous prime is 12849418229. The next prime is 12849418243. The reversal of 12849418240 is 4281494821.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (12849418243) 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, 873345 + ... + 887935.

Almost surely, 2^12849418240 is an apocalyptic number.

12849418240 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 12849418240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15777045504).

12849418240 is an abundant number, since it is smaller than the sum of its proper divisors (18704672768).

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

12849418240 is an equidigital number, since it uses as much as digits as its factorization.

12849418240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14663 (or 14641 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 43.

The spelling of 12849418240 in words is "twelve billion, eight hundred forty-nine million, four hundred eighteen thousand, two hundred forty".