1855935042 has 16 divisors (see below), whose sum is σ = 3997398720. Its totient is φ = 571056912.

The previous prime is 1855935023. The next prime is 1855935049. The reversal of 1855935042 is 2405395581.

It is a junction number, because it is equal to n+sod(n) for n = 1855934985 and 1855935003.

It is not an unprimeable number, because it can be changed into a prime (1855935049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11896942 + ... + 11897097.

It is an arithmetic number, because the mean of its divisors is an integer number (249837420).

Almost surely, 2^1855935042 is an apocalyptic number.

1855935042 is an abundant number, since it is smaller than the sum of its proper divisors (2141463678).

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

1855935042 is a wasteful number, since it uses less digits than its factorization.

1855935042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23794057.

The product of its (nonzero) digits is 216000, while the sum is 42.

The square root of 1855935042 is about 43080.5645506184. The cubic root of 1855935042 is about 1228.9123930700.

The spelling of 1855935042 in words is "one billion, eight hundred fifty-five million, nine hundred thirty-five thousand, forty-two".