1002440244402 has 12 divisors (see below), whose sum is σ = 2171953862910. Its totient is φ = 334146748128.

The previous prime is 1002440244401. The next prime is 1002440244427. The reversal of 1002440244402 is 2044420442001.

1002440244402 is a `hidden beast` number, since 10 + 0 + 2 + 4 + 4 + 0 + 244 + 402 = 666.

It can be written as a sum of positive squares in only one way, i.e., 877011647121 + 125428597281 = 936489^2 + 354159^2 .

It is not an unprimeable number, because it can be changed into a prime (1002440244401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27845562327 + ... + 27845562362.

Almost surely, 2^{1002440244402} is an apocalyptic number.

1002440244402 is an abundant number, since it is smaller than the sum of its proper divisors (1169513618508).

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

1002440244402 is a wasteful number, since it uses less digits than its factorization.

1002440244402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55691124697 (or 55691124694 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 1002440244402 its reverse (2044420442001), we get a palindrome (3046860686403).

The spelling of 1002440244402 in words is "one trillion, two billion, four hundred forty million, two hundred forty-four thousand, four hundred two".