18080350 has 48 divisors (see below), whose sum is σ = 36158400. Its totient is φ = 6702080.

The previous prime is 18080329. The next prime is 18080351. The reversal of 18080350 is 5308081.

It is a super-2 number, since 2×18080350² = 653798112245000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18080351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75531 + ... + 75769.

It is an arithmetic number, because the mean of its divisors is an integer number (753300).

Almost surely, 2^18080350 is an apocalyptic number.

18080350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18080350 is a deficient number, since it is larger than the sum of its proper divisors (18078050).

18080350 is a wasteful number, since it uses less digits than its factorization.

18080350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 18080350 is about 4252.0994814327. The cubic root of 18080350 is about 262.4635172276.

The spelling of 18080350 in words is "eighteen million, eighty thousand, three hundred fifty".