12440820700 has 162 divisors, whose sum is σ = 34520295768. Its totient is φ = 3877473600.

The previous prime is 12440820683. The next prime is 12440820757. The reversal of 12440820700 is 702804421.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 582409 + ... + 603391.

Almost surely, 2^12440820700 is an apocalyptic number.

12440820700 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 12440820700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17260147884).

12440820700 is an abundant number, since it is smaller than the sum of its proper divisors (22079475068).

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

12440820700 is a wasteful number, since it uses less digits than its factorization.

12440820700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21033 (or 21008 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The spelling of 12440820700 in words is "twelve billion, four hundred forty million, eight hundred twenty thousand, seven hundred".