102442402000 has 40 divisors (see below), whose sum is σ = 247705732872. Its totient is φ = 40976960000.

The previous prime is 102442401991. The next prime is 102442402031. The reversal of 102442402000 is 204244201.

It can be written as a sum of positive squares in 4 ways, for example, as 25782082624 + 76660319376 = 160568^2 + 276876^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25608601 + ... + 25612600.

Almost surely, 2^102442402000 is an apocalyptic number.

102442402000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102442402000 is an abundant number, since it is smaller than the sum of its proper divisors (145263330872).

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

102442402000 is an equidigital number, since it uses as much as digits as its factorization.

102442402000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51221224 (or 51221208 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 102442402000 its reverse (204244201), we get a palindrome (102646646201).

The spelling of 102442402000 in words is "one hundred two billion, four hundred forty-two million, four hundred two thousand".