18824564370 has 64 divisors (see below), whose sum is σ = 46459578240. Its totient is φ = 4877941248.

The previous prime is 18824564359. The next prime is 18824564371. The reversal of 18824564370 is 7346542881.

It is not an unprimeable number, because it can be changed into a prime (18824564371) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 887509 + ... + 908471.

It is an arithmetic number, because the mean of its divisors is an integer number (725930910).

Almost surely, 2^18824564370 is an apocalyptic number.

18824564370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 18824564370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23229789120).

18824564370 is an abundant number, since it is smaller than the sum of its proper divisors (27635013870).

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

18824564370 is a wasteful number, since it uses less digits than its factorization.

18824564370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21819.

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 18824564370 in words is "eighteen billion, eight hundred twenty-four million, five hundred sixty-four thousand, three hundred seventy".