18809007300 has 288 divisors, whose sum is σ = 61871040000. Its totient is φ = 4900746240.

The previous prime is 18809007251. The next prime is 18809007359. The reversal of 18809007300 is 370090881.

It is a super-2 number, since 2×18809007300² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23249296 + ... + 23250104.

It is an arithmetic number, because the mean of its divisors is an integer number (214830000).

Almost surely, 2^18809007300 is an apocalyptic number.

18809007300 is a gapful number since it is divisible by the number (10) 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 18809007300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30935520000).

18809007300 is an abundant number, since it is smaller than the sum of its proper divisors (43062032700).

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

18809007300 is a wasteful number, since it uses less digits than its factorization.

18809007300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020 (or 1007 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 18809007300 in words is "eighteen billion, eight hundred nine million, seven thousand, three hundred".