102443240000 has 140 divisors (see below), whose sum is σ = 254517015984. Its totient is φ = 40898112000.

The previous prime is 102443239991. The next prime is 102443240017. The reversal of 102443240000 is 42344201.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23477819 + ... + 23482181.

Almost surely, 2^102443240000 is an apocalyptic number.

102443240000 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 102443240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127258507992).

102443240000 is an abundant number, since it is smaller than the sum of its proper divisors (152073775984).

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

102443240000 is an frugal number, since it uses more digits than its factorization.

102443240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4982 (or 4957 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 102443240000 its reverse (42344201), we get a palindrome (102485584201).

The spelling of 102443240000 in words is "one hundred two billion, four hundred forty-three million, two hundred forty thousand".