444232020535 has 4 divisors (see below), whose sum is σ = 533078424648. Its totient is φ = 355385616424.

The previous prime is 444232020517. The next prime is 444232020539. The reversal of 444232020535 is 535020232444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 444232020535 - 2²¹ = 444229923383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 444232020535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444232020539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44423202049 + ... + 44423202058.

It is an arithmetic number, because the mean of its divisors is an integer number (133269606162).

Almost surely, 2^444232020535 is an apocalyptic number.

444232020535 is a deficient number, since it is larger than the sum of its proper divisors (88846404113).

444232020535 is an equidigital number, since it uses as much as digits as its factorization.

444232020535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88846404112.

The product of its (nonzero) digits is 115200, while the sum is 34.

Adding to 444232020535 its reverse (535020232444), we get a palindrome (979252252979).

The spelling of 444232020535 in words is "four hundred forty-four billion, two hundred thirty-two million, twenty thousand, five hundred thirty-five".