18010340 has 24 divisors (see below), whose sum is σ = 38465280. Its totient is φ = 7081568.

The previous prime is 18010339. The next prime is 18010367. The reversal of 18010340 is 4301081.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6452 + ... + 8811.

It is an arithmetic number, because the mean of its divisors is an integer number (1602720).

Almost surely, 2^18010340 is an apocalyptic number.

18010340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18010340 is an abundant number, since it is smaller than the sum of its proper divisors (20454940).

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

18010340 is a wasteful number, since it uses less digits than its factorization.

18010340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15331 (or 15329 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 18010340 is about 4243.8590928540. The cubic root of 18010340 is about 262.1243121594.

The spelling of 18010340 in words is "eighteen million, ten thousand, three hundred forty".