1002331445200 has 120 divisors (see below), whose sum is σ = 2431680603552. Its totient is φ = 397010127360.

The previous prime is 1002331445147. The next prime is 1002331445201. The reversal of 1002331445200 is 25441332001.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002331445201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143248102 + ... + 143255098.

Almost surely, 2^{1002331445200} is an apocalyptic number.

1002331445200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002331445200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1215840301776).

1002331445200 is an abundant number, since it is smaller than the sum of its proper divisors (1429349158352).

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

1002331445200 is a wasteful number, since it uses less digits than its factorization.

1002331445200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10469 (or 10458 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 1002331445200 its reverse (25441332001), we get a palindrome (1027772777201).

The spelling of 1002331445200 in words is "one trillion, two billion, three hundred thirty-one million, four hundred forty-five thousand, two hundred".