444405537522740 has 24 divisors (see below), whose sum is σ = 988148783433672. Its totient is φ = 167305614126080.

The previous prime is 444405537522643. The next prime is 444405537522781. The reversal of 444405537522740 is 47225735504444.

It can be written as a sum of positive squares in 4 ways, for example, as 192413851454224 + 251991686068516 = 13871332^2 + 15874246^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653537554841 + ... + 653537555520.

It is an arithmetic number, because the mean of its divisors is an integer number (41172865976403).

Almost surely, 2^{444405537522740} is an apocalyptic number.

It is an amenable number.

444405537522740 is an abundant number, since it is smaller than the sum of its proper divisors (543743245910932).

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

444405537522740 is a wasteful number, since it uses less digits than its factorization.

444405537522740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307075110387 (or 1307075110385 counting only the distinct ones).

The product of its (nonzero) digits is 75264000, while the sum is 56.

The spelling of 444405537522740 in words is "four hundred forty-four trillion, four hundred five billion, five hundred thirty-seven million, five hundred twenty-two thousand, seven hundred forty".