1004221215044 has 6 divisors (see below), whose sum is σ = 1757387126334. Its totient is φ = 502110607520.

The previous prime is 1004221215037. The next prime is 1004221215091. The reversal of 1004221215044 is 4405121224001.

1004221215044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 997601440000 + 6619775044 = 998800^2 + 81362^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125527651877 + ... + 125527651884.

It is an arithmetic number, because the mean of its divisors is an integer number (292897854389).

Almost surely, 2^{1004221215044} is an apocalyptic number.

It is an amenable number.

1004221215044 is a deficient number, since it is larger than the sum of its proper divisors (753165911290).

1004221215044 is a wasteful number, since it uses less digits than its factorization.

1004221215044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251055303765 (or 251055303763 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 1004221215044 its reverse (4405121224001), we get a palindrome (5409342439045).

The spelling of 1004221215044 in words is "one trillion, four billion, two hundred twenty-one million, two hundred fifteen thousand, forty-four".