1816277042 has 16 divisors (see below), whose sum is σ = 2977731072. Its totient is φ = 827146560.

The previous prime is 1816277033. The next prime is 1816277077. The reversal of 1816277042 is 2407726181.

It is a junction number, because it is equal to n+sod(n) for n = 1816276987 and 1816277005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860558 + ... + 862665.

It is an arithmetic number, because the mean of its divisors is an integer number (186108192).

Almost surely, 2^1816277042 is an apocalyptic number.

1816277042 is a deficient number, since it is larger than the sum of its proper divisors (1161454030).

1816277042 is a wasteful number, since it uses less digits than its factorization.

1816277042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723273.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 1816277042 is about 42617.8019376880. The cubic root of 1816277042 is about 1220.0960781630.

The spelling of 1816277042 in words is "one billion, eight hundred sixteen million, two hundred seventy-seven thousand, forty-two".