8490507636 has 24 divisors (see below), whose sum is σ = 21335122144. Its totient is φ = 2612463840.

The previous prime is 8490507629. The next prime is 8490507643. The reversal of 8490507636 is 6367050948.

It is an interprime number because it is at equal distance from previous prime (8490507629) and next prime (8490507643).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27213010 + ... + 27213321.

Almost surely, 2^8490507636 is an apocalyptic number.

It is an amenable number.

8490507636 is an abundant number, since it is smaller than the sum of its proper divisors (12844614508).

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

8490507636 is a wasteful number, since it uses less digits than its factorization.

8490507636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54426351 (or 54426349 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The square root of 8490507636 is about 92143.9506207543. The cubic root of 8490507636 is about 2040.0675708107.

The spelling of 8490507636 in words is "eight billion, four hundred ninety million, five hundred seven thousand, six hundred thirty-six".