1002242321442 has 12 divisors (see below), whose sum is σ = 2171525029830. Its totient is φ = 334080773808.

The previous prime is 1002242321413. The next prime is 1002242321453. The reversal of 1002242321442 is 2441232422001.

It is a happy number.

1002242321442 is a `hidden beast` number, since 1 + 0 + 0 + 22 + 423 + 214 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 640270428561 + 361971892881 = 800169^2 + 601641^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 27840064467 + ... + 27840064502.

Almost surely, 2^{1002242321442} is an apocalyptic number.

1002242321442 is an abundant number, since it is smaller than the sum of its proper divisors (1169282708388).

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

1002242321442 is a wasteful number, since it uses less digits than its factorization.

1002242321442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55680128977 (or 55680128974 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 1002242321442 its reverse (2441232422001), we get a palindrome (3443474743443).

The spelling of 1002242321442 in words is "one trillion, two billion, two hundred forty-two million, three hundred twenty-one thousand, four hundred forty-two".