1002444975132 has 48 divisors (see below), whose sum is σ = 2485091955360. Its totient is φ = 313906344192.

The previous prime is 1002444975127. The next prime is 1002444975137. The reversal of 1002444975132 is 2315794442001.

It is an interprime number because it is at equal distance from previous prime (1002444975127) and next prime (1002444975137).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002444975137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38914003 + ... + 38939754.

It is an arithmetic number, because the mean of its divisors is an integer number (51772749070).

Almost surely, 2^{1002444975132} is an apocalyptic number.

1002444975132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1002444975132 is an abundant number, since it is smaller than the sum of its proper divisors (1482646980228).

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

1002444975132 is a wasteful number, since it uses less digits than its factorization.

1002444975132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77853830 (or 77853828 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 1002444975132 in words is "one trillion, two billion, four hundred forty-four million, nine hundred seventy-five thousand, one hundred thirty-two".