102103444240 has 160 divisors (see below), whose sum is σ = 282067660800. Its totient is φ = 34345898496.

The previous prime is 102103444211. The next prime is 102103444259. The reversal of 102103444240 is 42444301201.

It is a super-2 number, since 2×102103444240² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1419217 + ... + 1489423.

It is an arithmetic number, because the mean of its divisors is an integer number (1762922880).

Almost surely, 2^102103444240 is an apocalyptic number.

102103444240 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 102103444240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141033830400).

102103444240 is an abundant number, since it is smaller than the sum of its proper divisors (179964216560).

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

102103444240 is an equidigital number, since it uses as much as digits as its factorization.

102103444240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70294 (or 70274 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 102103444240 its reverse (42444301201), we get a palindrome (144547745441).

The spelling of 102103444240 in words is "one hundred two billion, one hundred three million, four hundred forty-four thousand, two hundred forty".