18464050 has 48 divisors (see below), whose sum is σ = 38167200. Its totient is φ = 6588800.

The previous prime is 18463979. The next prime is 18464051. The reversal of 18464050 is 5046481.

It is a super-2 number, since 2×18464050² = 681842284805000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18464051) 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, 32166 + ... + 32734.

It is an arithmetic number, because the mean of its divisors is an integer number (795150).

Almost surely, 2^18464050 is an apocalyptic number.

18464050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18464050 is an abundant number, since it is smaller than the sum of its proper divisors (19703150).

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

18464050 is a wasteful number, since it uses less digits than its factorization.

18464050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 18464050 is about 4296.9814986802. The cubic root of 18464050 is about 264.3071971128.

Subtracting from 18464050 its reverse (5046481), we obtain a square (13417569 = 3663²).

The spelling of 18464050 in words is "eighteen million, four hundred sixty-four thousand, fifty".