42207001844 has 24 divisors (see below), whose sum is σ = 84423917760. Its totient is φ = 18086590656.

The previous prime is 42207001777. The next prime is 42207001847. The reversal of 42207001844 is 44810070224.

It is a self number, because there is not a number n which added to its sum of digits gives 42207001844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42207001847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167099 + ... + 335165.

It is an arithmetic number, because the mean of its divisors is an integer number (3517663240).

Almost surely, 2^42207001844 is an apocalyptic number.

It is an amenable number.

42207001844 is an abundant number, since it is smaller than the sum of its proper divisors (42216915916).

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

42207001844 is a wasteful number, since it uses less digits than its factorization.

42207001844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177047 (or 177045 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 32.

The spelling of 42207001844 in words is "forty-two billion, two hundred seven million, one thousand, eight hundred forty-four".