18245760 has 256 divisors, whose sum is σ = 67858560. Its totient is φ = 4128768.

The previous prime is 18245753. The next prime is 18245767. The reversal of 18245760 is 6754281.

It is an interprime number because it is at equal distance from previous prime (18245753) and next prime (18245767).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18245767) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 424299 + ... + 424341.

Almost surely, 2^18245760 is an apocalyptic number.

18245760 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 18245760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33929280).

18245760 is an abundant number, since it is smaller than the sum of its proper divisors (49612800).

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

18245760 is a wasteful number, since it uses less digits than its factorization.

18245760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 18245760 is about 4271.5055893678. The cubic root of 18245760 is about 263.2614805118.

The spelling of 18245760 in words is "eighteen million, two hundred forty-five thousand, seven hundred sixty".