444161206436 has 6 divisors (see below), whose sum is σ = 777282111270. Its totient is φ = 222080603216.

The previous prime is 444161206397. The next prime is 444161206477. The reversal of 444161206436 is 634602161444.

It can be written as a sum of positive squares in only one way, i.e., 433398388900 + 10762817536 = 658330^2 + 103744^2 .

It is a junction number, because it is equal to n+sod(n) for n = 444161206393 and 444161206402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55520150801 + ... + 55520150808.

It is an arithmetic number, because the mean of its divisors is an integer number (129547018545).

Almost surely, 2^444161206436 is an apocalyptic number.

It is an amenable number.

444161206436 is a deficient number, since it is larger than the sum of its proper divisors (333120904834).

444161206436 is a wasteful number, since it uses less digits than its factorization.

444161206436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111040301613 (or 111040301611 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 444161206436 in words is "four hundred forty-four billion, one hundred sixty-one million, two hundred six thousand, four hundred thirty-six".