1836867042 has 24 divisors (see below), whose sum is σ = 4039282416. Its totient is φ = 603149976.

The previous prime is 1836867037. The next prime is 1836867079. The reversal of 1836867042 is 2407686381.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 760348 + ... + 762759.

It is an arithmetic number, because the mean of its divisors is an integer number (168303434).

Almost surely, 2^1836867042 is an apocalyptic number.

1836867042 is an abundant number, since it is smaller than the sum of its proper divisors (2202415374).

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

1836867042 is a wasteful number, since it uses less digits than its factorization.

1836867042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523182 (or 1523179 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 1836867042 is about 42858.6868907576. The cubic root of 1836867042 is about 1224.6892544021.

The spelling of 1836867042 in words is "one billion, eight hundred thirty-six million, eight hundred sixty-seven thousand, forty-two".