445025078404 has 27 divisors (see below), whose sum is σ = 797429371557. Its totient is φ = 217309810704.

The previous prime is 445025078389. The next prime is 445025078417. The reversal of 445025078404 is 404870520544.

The square root of 445025078404 is 667102.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 366037100100 + 78987978304 = 605010^2 + 281048^2 .

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 57366894 + ... + 57374650.

Almost surely, 2^445025078404 is an apocalyptic number.

445025078404 is the 667102-nd square number.

It is an amenable number.

445025078404 is a deficient number, since it is larger than the sum of its proper divisors (352404293153).

445025078404 is an frugal number, since it uses more digits than its factorization.

445025078404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15604 (or 7802 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 43.

Adding to 445025078404 its reverse (404870520544), we get a palindrome (849895598948).

The spelling of 445025078404 in words is "four hundred forty-five billion, twenty-five million, seventy-eight thousand, four hundred four".