84205045242 has 24 divisors (see below), whose sum is σ = 188329564800. Its totient is φ = 27162917640.

The previous prime is 84205045237. The next prime is 84205045261. The reversal of 84205045242 is 24254050248.

84205045242 is a `hidden beast` number, since 84 + 2 + 0 + 50 + 4 + 524 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 84205045197 and 84205045206.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75451992 + ... + 75453107.

It is an arithmetic number, because the mean of its divisors is an integer number (7847065200).

Almost surely, 2^84205045242 is an apocalyptic number.

84205045242 is an abundant number, since it is smaller than the sum of its proper divisors (104124519558).

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

84205045242 is a wasteful number, since it uses less digits than its factorization.

84205045242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150905138 (or 150905135 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 36.

The spelling of 84205045242 in words is "eighty-four billion, two hundred five million, forty-five thousand, two hundred forty-two".