8490489044 has 12 divisors (see below), whose sum is σ = 15732376884. Its totient is φ = 3995524224.

The previous prime is 8490488969. The next prime is 8490489053. The reversal of 8490489044 is 4409840948.

It can be written as a sum of positive squares in 2 ways, for example, as 7209708100 + 1280780944 = 84910^2 + 35788^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8490488983 and 8490489001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62429999 + ... + 62430134.

It is an arithmetic number, because the mean of its divisors is an integer number (1311031407).

Almost surely, 2^8490489044 is an apocalyptic number.

It is an amenable number.

8490489044 is a deficient number, since it is larger than the sum of its proper divisors (7241887840).

8490489044 is a wasteful number, since it uses less digits than its factorization.

8490489044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124860154 (or 124860152 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 50.

The square root of 8490489044 is about 92143.8497350746. The cubic root of 8490489044 is about 2040.0660817374.

The spelling of 8490489044 in words is "eight billion, four hundred ninety million, four hundred eighty-nine thousand, forty-four".