1002531423444 has 12 divisors (see below), whose sum is σ = 2339239988064. Its totient is φ = 334177141144.

The previous prime is 1002531423379. The next prime is 1002531423461. The reversal of 1002531423444 is 4443241352001.

1002531423444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1002531423444² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41772142632 + ... + 41772142655.

It is an arithmetic number, because the mean of its divisors is an integer number (194936665672).

Almost surely, 2^{1002531423444} is an apocalyptic number.

It is an amenable number.

1002531423444 is an abundant number, since it is smaller than the sum of its proper divisors (1336708564620).

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

1002531423444 is a wasteful number, since it uses less digits than its factorization.

1002531423444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83544285294 (or 83544285292 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 1002531423444 its reverse (4443241352001), we get a palindrome (5445772775445).

The spelling of 1002531423444 in words is "one trillion, two billion, five hundred thirty-one million, four hundred twenty-three thousand, four hundred forty-four".