42234647904 has 36 divisors (see below), whose sum is σ = 120104780796. Its totient is φ = 14078215872.

The previous prime is 42234647891. The next prime is 42234647909. The reversal of 42234647904 is 40974643224.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 42234647904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42234647909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73323754 + ... + 73324329.

It is an arithmetic number, because the mean of its divisors is an integer number (3336243911).

Almost surely, 2^42234647904 is an apocalyptic number.

It is an amenable number.

42234647904 is an abundant number, since it is smaller than the sum of its proper divisors (77870132892).

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

42234647904 is a wasteful number, since it uses less digits than its factorization.

42234647904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146648099 (or 146648088 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 45.

The spelling of 42234647904 in words is "forty-two billion, two hundred thirty-four million, six hundred forty-seven thousand, nine hundred four".