442002002132 has 6 divisors (see below), whose sum is σ = 773503503738. Its totient is φ = 221001001064.

The previous prime is 442002002129. The next prime is 442002002137. The reversal of 442002002132 is 231200200244.

It can be written as a sum of positive squares in only one way, i.e., 441897880516 + 104121616 = 664754^2 + 10204^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442002002137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55250250263 + ... + 55250250270.

It is an arithmetic number, because the mean of its divisors is an integer number (128917250623).

Almost surely, 2^442002002132 is an apocalyptic number.

It is an amenable number.

442002002132 is a deficient number, since it is larger than the sum of its proper divisors (331501501606).

442002002132 is a wasteful number, since it uses less digits than its factorization.

442002002132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110500500537 (or 110500500535 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 442002002132 its reverse (231200200244), we get a palindrome (673202202376).

The spelling of 442002002132 in words is "four hundred forty-two billion, two million, two thousand, one hundred thirty-two".