3855006042 has 16 divisors (see below), whose sum is σ = 7715999712. Its totient is φ = 1284004080.

The previous prime is 3855006013. The next prime is 3855006049. The reversal of 3855006042 is 2406005583.

It is a super-2 number, since 2×3855006042² = 29722143167713011528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3855005994 and 3855006012.

It is not an unprimeable number, because it can be changed into a prime (3855006049) 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, 241093 + ... + 256584.

It is an arithmetic number, because the mean of its divisors is an integer number (482249982).

Almost surely, 2^3855006042 is an apocalyptic number.

3855006042 is an abundant number, since it is smaller than the sum of its proper divisors (3860993670).

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

3855006042 is a wasteful number, since it uses less digits than its factorization.

3855006042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498973.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 3855006042 is about 62088.6949613213. The cubic root of 3855006042 is about 1567.9842200120.

The spelling of 3855006042 in words is "three billion, eight hundred fifty-five million, six thousand, forty-two".