1890101004 has 48 divisors (see below), whose sum is σ = 5094182016. Its totient is φ = 539065600.

The previous prime is 1890100997. The next prime is 1890101041. The reversal of 1890101004 is 4001010981.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 418902 + ... + 423389.

It is an arithmetic number, because the mean of its divisors is an integer number (106128792).

Almost surely, 2^1890101004 is an apocalyptic number.

It is an amenable number.

1890101004 is an abundant number, since it is smaller than the sum of its proper divisors (3204081012).

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

1890101004 is a wasteful number, since it uses less digits than its factorization.

1890101004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842326 (or 842324 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 1890101004 is about 43475.2918794112. The cubic root of 1890101004 is about 1236.4076142222.

Adding to 1890101004 its reverse (4001010981), we get a palindrome (5891111985).

The spelling of 1890101004 in words is "one billion, eight hundred ninety million, one hundred one thousand, four".