18041250 has 80 divisors (see below), whose sum is σ = 47909664. Its totient is φ = 4512000.

The previous prime is 18041249. The next prime is 18041251. The reversal of 18041250 is 5214081.

It is an interprime number because it is at equal distance from previous prime (18041249) and next prime (18041251).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18041251) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 63609 + ... + 63891.

Almost surely, 2^18041250 is an apocalyptic number.

18041250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 18041250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23954832).

18041250 is an abundant number, since it is smaller than the sum of its proper divisors (29868414).

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

18041250 is a wasteful number, since it uses less digits than its factorization.

18041250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 18041250 is about 4247.4992642730. The cubic root of 18041250 is about 262.2741822113.

The spelling of 18041250 in words is "eighteen million, forty-one thousand, two hundred fifty".