18050010 has 64 divisors (see below), whose sum is σ = 47900160. Its totient is φ = 4316480.

The previous prime is 18050003. The next prime is 18050027. The reversal of 18050010 is 1005081.

18050010 = 1898² + 1899² + ... + 1902².

It is a happy number.

It is a super-2 number, since 2×18050010² = 651605722000200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27061 + ... + 27719.

It is an arithmetic number, because the mean of its divisors is an integer number (748440).

Almost surely, 2^18050010 is an apocalyptic number.

18050010 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 18050010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23950080).

18050010 is an abundant number, since it is smaller than the sum of its proper divisors (29850150).

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

18050010 is a wasteful number, since it uses less digits than its factorization.

18050010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 18050010 is about 4248.5303341273. The cubic root of 18050010 is about 262.3166247634.

Adding to 18050010 its reverse (1005081), we get a palindrome (19055091).

The spelling of 18050010 in words is "eighteen million, fifty thousand, ten".