18445410500 has 48 divisors (see below), whose sum is σ = 43947042048. Its totient is φ = 6707420000.

The previous prime is 18445410491. The next prime is 18445410509. The reversal of 18445410500 is 501454481.

It is an interprime number because it is at equal distance from previous prime (18445410491) and next prime (18445410509).

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (18445410509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1671356 + ... + 1682355.

It is an arithmetic number, because the mean of its divisors is an integer number (915563376).

Almost surely, 2^18445410500 is an apocalyptic number.

18445410500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18445410500 is an abundant number, since it is smaller than the sum of its proper divisors (25501631548).

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

18445410500 is a wasteful number, since it uses less digits than its factorization.

18445410500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3353741 (or 3353729 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

Adding to 18445410500 its reverse (501454481), we get a palindrome (18946864981).

The spelling of 18445410500 in words is "eighteen billion, four hundred forty-five million, four hundred ten thousand, five hundred".