1002142250244 has 72 divisors (see below), whose sum is σ = 2699967449088. Its totient is φ = 312315436800.

The previous prime is 1002142250243. The next prime is 1002142250267. The reversal of 1002142250244 is 4420522412001.

It is a happy number.

1002142250244 is a `hidden beast` number, since 10 + 0 + 2 + 142 + 2 + 502 + 4 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (1002142250243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5329732 + ... + 5514555.

It is an arithmetic number, because the mean of its divisors is an integer number (37499547904).

Almost surely, 2^{1002142250244} is an apocalyptic number.

It is an amenable number.

1002142250244 is an abundant number, since it is smaller than the sum of its proper divisors (1697825198844).

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

1002142250244 is a wasteful number, since it uses less digits than its factorization.

1002142250244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10844465 (or 10844460 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 1002142250244 its reverse (4420522412001), we get a palindrome (5422664662245).

The spelling of 1002142250244 in words is "one trillion, two billion, one hundred forty-two million, two hundred fifty thousand, two hundred forty-four".