1859064042 has 32 divisors (see below), whose sum is σ = 4062389760. Its totient is φ = 562484720.

The previous prime is 1859064037. The next prime is 1859064049. The reversal of 1859064042 is 2404609581.

It is a super-2 number, since 2×1859064042² = 6912238224514755528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1859064049) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 22123 + ... + 64865.

It is an arithmetic number, because the mean of its divisors is an integer number (126949680).

Almost surely, 2^1859064042 is an apocalyptic number.

1859064042 is an abundant number, since it is smaller than the sum of its proper divisors (2203325718).

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

1859064042 is a wasteful number, since it uses less digits than its factorization.

1859064042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43418.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 1859064042 is about 43116.8649370522. The cubic root of 1859064042 is about 1229.6026305776.

The spelling of 1859064042 in words is "one billion, eight hundred fifty-nine million, sixty-four thousand, forty-two".