1858040342 has 16 divisors (see below), whose sum is σ = 2831319360. Its totient is φ = 914342208.

The previous prime is 1858040333. The next prime is 1858040389. The reversal of 1858040342 is 2430408581.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 31538 + ... + 68634.

It is an arithmetic number, because the mean of its divisors is an integer number (176957460).

Almost surely, 2^1858040342 is an apocalyptic number.

1858040342 is a deficient number, since it is larger than the sum of its proper divisors (973279018).

1858040342 is a wasteful number, since it uses less digits than its factorization.

1858040342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37495.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 1858040342 is about 43104.9920774845. The cubic root of 1858040342 is about 1229.3768941678.

The spelling of 1858040342 in words is "one billion, eight hundred fifty-eight million, forty thousand, three hundred forty-two".