441021604 has 12 divisors (see below), whose sum is σ = 783307504. Its totient is φ = 217219464.

The previous prime is 441021583. The next prime is 441021649. The reversal of 441021604 is 406120144.

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 3 ways as a sum of consecutive naturals, for example, 822534 + ... + 823069.

Almost surely, 2^441021604 is an apocalyptic number.

It is an amenable number.

441021604 is a deficient number, since it is larger than the sum of its proper divisors (342285900).

441021604 is a wasteful number, since it uses less digits than its factorization.

441021604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645674 (or 1645672 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 441021604 is about 21000.5143746528. The cubic root of 441021604 is about 761.1786904047.

Adding to 441021604 its reverse (406120144), we get a palindrome (847141748).

The spelling of 441021604 in words is "four hundred forty-one million, twenty-one thousand, six hundred four".