18452934500 has 576 divisors, whose sum is σ = 57722595840. Its totient is φ = 5056128000.

The previous prime is 18452934497. The next prime is 18452934517. The reversal of 18452934500 is 543925481.

It is a super-2 number, since 2×18452934500² (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 191 ways as a sum of consecutive naturals, for example, 80580386 + ... + 80580614.

It is an arithmetic number, because the mean of its divisors is an integer number (100212840).

Almost surely, 2^18452934500 is an apocalyptic number.

18452934500 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 18452934500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28861297920).

18452934500 is an abundant number, since it is smaller than the sum of its proper divisors (39269661340).

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

18452934500 is a wasteful number, since it uses less digits than its factorization.

18452934500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 18452934500 in words is "eighteen billion, four hundred fifty-two million, nine hundred thirty-four thousand, five hundred".