39445404224 has 42 divisors (see below), whose sum is σ = 78606107202. Its totient is φ = 19639244800.

The previous prime is 39445404217. The next prime is 39445404239. The reversal of 39445404224 is 42240454493.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 6277709824 + 33167694400 = 79232^2 + 182120^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26633564 + ... + 26635044.

It is an arithmetic number, because the mean of its divisors is an integer number (1871573981).

Almost surely, 2^39445404224 is an apocalyptic number.

It is an amenable number.

39445404224 is a deficient number, since it is larger than the sum of its proper divisors (39160702978).

39445404224 is an frugal number, since it uses more digits than its factorization.

39445404224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3255 (or 1764 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 41.

The spelling of 39445404224 in words is "thirty-nine billion, four hundred forty-five million, four hundred four thousand, two hundred twenty-four".