444232421020 has 24 divisors (see below), whose sum is σ = 933114193200. Its totient is φ = 177649900032.

The previous prime is 444232420993. The next prime is 444232421021. The reversal of 444232421020 is 20124232444.

It is a self number, because there is not a number n which added to its sum of digits gives 444232421020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444232421021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2607130 + ... + 2772289.

It is an arithmetic number, because the mean of its divisors is an integer number (38879758050).

Almost surely, 2^444232421020 is an apocalyptic number.

It is an amenable number.

444232421020 is an abundant number, since it is smaller than the sum of its proper divisors (488881772180).

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

444232421020 is a wasteful number, since it uses less digits than its factorization.

444232421020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5383557 (or 5383555 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 444232421020 its reverse (20124232444), we get a palindrome (464356653464).

The spelling of 444232421020 in words is "four hundred forty-four billion, two hundred thirty-two million, four hundred twenty-one thousand, twenty".