442421021230300 has 72 divisors (see below), whose sum is σ = 1097207350235136. Its totient is φ = 151686762452160.

The previous prime is 442421021230241. The next prime is 442421021230339. The reversal of 442421021230300 is 3032120124244.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 314650629 + ... + 316053571.

It is an arithmetic number, because the mean of its divisors is an integer number (15238990975488).

Almost surely, 2^{442421021230300} is an apocalyptic number.

It is an amenable number.

442421021230300 is an abundant number, since it is smaller than the sum of its proper divisors (654786329004836).

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

442421021230300 is a wasteful number, since it uses less digits than its factorization.

442421021230300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853467 (or 1853460 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 442421021230300 its reverse (3032120124244), we get a palindrome (445453141354544).

The spelling of 442421021230300 in words is "four hundred forty-two trillion, four hundred twenty-one billion, twenty-one million, two hundred thirty thousand, three hundred".