444235365140 has 72 divisors (see below), whose sum is σ = 1114533451080. Its totient is φ = 148192789248.

The previous prime is 444235365107. The next prime is 444235365151. The reversal of 444235365140 is 41563532444.

It can be written as a sum of positive squares in 4 ways, for example, as 257613093136 + 186622272004 = 507556^2 + 431998^2 .

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, 6089435 + ... + 6161954.

It is an arithmetic number, because the mean of its divisors is an integer number (15479631265).

Almost surely, 2^444235365140 is an apocalyptic number.

It is an amenable number.

444235365140 is an abundant number, since it is smaller than the sum of its proper divisors (670298085940).

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

444235365140 is a wasteful number, since it uses less digits than its factorization.

444235365140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12251449 (or 12251440 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 41.

Adding to 444235365140 its reverse (41563532444), we get a palindrome (485798897584).

The spelling of 444235365140 in words is "four hundred forty-four billion, two hundred thirty-five million, three hundred sixty-five thousand, one hundred forty".