18453750420 has 192 divisors, whose sum is σ = 59643150336. Its totient is φ = 4176023040.

The previous prime is 18453750331. The next prime is 18453750431. The reversal of 18453750420 is 2405735481.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22422129 + ... + 22422951.

It is an arithmetic number, because the mean of its divisors is an integer number (310641408).

Almost surely, 2^18453750420 is an apocalyptic number.

18453750420 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 18453750420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29821575168).

18453750420 is an abundant number, since it is smaller than the sum of its proper divisors (41189399916).

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

18453750420 is a wasteful number, since it uses less digits than its factorization.

18453750420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310 (or 1308 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The spelling of 18453750420 in words is "eighteen billion, four hundred fifty-three million, seven hundred fifty thousand, four hundred twenty".