1503228027844 has 27 divisors (see below), whose sum is σ = 2724617976717. Its totient is φ = 725661959568.

The previous prime is 1503228027841. The next prime is 1503228027893. The reversal of 1503228027844 is 4487208223051.

The square root of 1503228027844 is 1226062.

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., 788256314244 + 714971713600 = 887838^2 + 845560^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1503228027794 and 1503228027803.

It is not an unprimeable number, because it can be changed into a prime (1503228027841) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 71101027 + ... + 71122165.

Almost surely, 2^{1503228027844} is an apocalyptic number.

1503228027844 is the 1226062-nd square number.

It is an amenable number.

1503228027844 is a deficient number, since it is larger than the sum of its proper divisors (1221389948873).

1503228027844 is an frugal number, since it uses more digits than its factorization.

1503228027844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42340 (or 21170 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 46.

The spelling of 1503228027844 in words is "one trillion, five hundred three billion, two hundred twenty-eight million, twenty-seven thousand, eight hundred forty-four".