8490564740 has 48 divisors (see below), whose sum is σ = 20384784000. Its totient is φ = 2909989632.

The previous prime is 8490564739. The next prime is 8490564787. The reversal of 8490564740 is 474650948.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439811 + ... + 458709.

It is an arithmetic number, because the mean of its divisors is an integer number (424683000).

Almost surely, 2^8490564740 is an apocalyptic number.

It is an amenable number.

8490564740 is an abundant number, since it is smaller than the sum of its proper divisors (11894219260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8490564740 is a wasteful number, since it uses less digits than its factorization.

8490564740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22124 (or 22122 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 8490564740 is about 92144.2604832227. The cubic root of 8490564740 is about 2040.0721443793.

The spelling of 8490564740 in words is "eight billion, four hundred ninety million, five hundred sixty-four thousand, seven hundred forty".