442133220231100 has 72 divisors (see below), whose sum is σ = 972830660477760. Its totient is φ = 174388744308480.

The previous prime is 442133220231067. The next prime is 442133220231127. The reversal of 442133220231100 is 1132022331244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30093967 + ... + 42307366.

It is an arithmetic number, because the mean of its divisors is an integer number (13511536951080).

Almost surely, 2^{442133220231100} is an apocalyptic number.

It is an amenable number.

442133220231100 is an abundant number, since it is smaller than the sum of its proper divisors (530697440246660).

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

442133220231100 is a wasteful number, since it uses less digits than its factorization.

442133220231100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72402199 (or 72402192 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 442133220231100 its reverse (1132022331244), we get a palindrome (443265242562344).

The spelling of 442133220231100 in words is "four hundred forty-two trillion, one hundred thirty-three billion, two hundred twenty million, two hundred thirty-one thousand, one hundred".