8813413644 has 192 divisors, whose sum is σ = 25499443200. Its totient is φ = 2313142272.

The previous prime is 8813413639. The next prime is 8813413667. The reversal of 8813413644 is 4463143188.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 8813413596 and 8813413605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11460492 + ... + 11461260.

It is an arithmetic number, because the mean of its divisors is an integer number (132809600).

Almost surely, 2^8813413644 is an apocalyptic number.

8813413644 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 8813413644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12749721600).

8813413644 is an abundant number, since it is smaller than the sum of its proper divisors (16686029556).

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

8813413644 is a wasteful number, since it uses less digits than its factorization.

8813413644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012 (or 1010 counting only the distinct ones).

The product of its digits is 221184, while the sum is 42.

The square root of 8813413644 is about 93879.7829354116. The cubic root of 8813413644 is about 2065.6086861063.

The spelling of 8813413644 in words is "eight billion, eight hundred thirteen million, four hundred thirteen thousand, six hundred forty-four".