1818182030 has 32 divisors (see below), whose sum is σ = 3752104896. Its totient is φ = 621402624.

The previous prime is 1818181997. The next prime is 1818182053. The reversal of 1818182030 is 302818181.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18779 + ... + 63158.

It is an arithmetic number, because the mean of its divisors is an integer number (117253278).

Almost surely, 2^1818182030 is an apocalyptic number.

1818182030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1818182030 is an abundant number, since it is smaller than the sum of its proper divisors (1933922866).

1818182030 is a wasteful number, since it uses less digits than its factorization.

1818182030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82268.

The product of its (nonzero) digits is 3072, while the sum is 32.

The square root of 1818182030 is about 42640.1457549104. The cubic root of 1818182030 is about 1220.5224918672.

The spelling of 1818182030 in words is "one billion, eight hundred eighteen million, one hundred eighty-two thousand, thirty".