1890029018 has 16 divisors (see below), whose sum is σ = 2930846976. Its totient is φ = 913170720.

The previous prime is 1890028999. The next prime is 1890029027. The reversal of 1890029018 is 8109200981.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20030 + ... + 64662.

It is an arithmetic number, because the mean of its divisors is an integer number (183177936).

Almost surely, 2^1890029018 is an apocalyptic number.

1890029018 is a deficient number, since it is larger than the sum of its proper divisors (1040817958).

1890029018 is a wasteful number, since it uses less digits than its factorization.

1890029018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45349.

The product of its (nonzero) digits is 10368, while the sum is 38.

The square root of 1890029018 is about 43474.4639759940. The cubic root of 1890029018 is about 1236.3919175005.

Adding to 1890029018 its reverse (8109200981), we get a palindrome (9999229999).

The spelling of 1890029018 in words is "one billion, eight hundred ninety million, twenty-nine thousand, eighteen".