42204256236 has 72 divisors (see below), whose sum is σ = 118903664880. Its totient is φ = 12543676416.

The previous prime is 42204256231. The next prime is 42204256271. The reversal of 42204256236 is 63265240224.

42204256236 is a `hidden beast` number, since 4 + 2 + 2 + 0 + 4 + 25 + 623 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 42204256236.

It is not an unprimeable number, because it can be changed into a prime (42204256231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1803141 + ... + 1826396.

It is an arithmetic number, because the mean of its divisors is an integer number (1651439790).

Almost surely, 2^42204256236 is an apocalyptic number.

It is an amenable number.

42204256236 is an abundant number, since it is smaller than the sum of its proper divisors (76699408644).

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

42204256236 is a wasteful number, since it uses less digits than its factorization.

42204256236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3629583 (or 3629578 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The spelling of 42204256236 in words is "forty-two billion, two hundred four million, two hundred fifty-six thousand, two hundred thirty-six".