8486506644 has 192 divisors, whose sum is σ = 25144197120. Its totient is φ = 2163934080.

The previous prime is 8486506603. The next prime is 8486506657. The reversal of 8486506644 is 4466056848.

It is a super-2 number, since 2×8486506644² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18329157 + ... + 18329619.

It is an arithmetic number, because the mean of its divisors is an integer number (130959360).

Almost surely, 2^8486506644 is an apocalyptic number.

8486506644 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8486506644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12572098560).

8486506644 is an abundant number, since it is smaller than the sum of its proper divisors (16657690476).

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

8486506644 is a wasteful number, since it uses less digits than its factorization.

8486506644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810 (or 808 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 51.

The square root of 8486506644 is about 92122.2375108204. The cubic root of 8486506644 is about 2039.7470726408.

The spelling of 8486506644 in words is "eight billion, four hundred eighty-six million, five hundred six thousand, six hundred forty-four".