42040488288020 has 24 divisors (see below), whose sum is σ = 90338165532384. Its totient is φ = 16425121005216.

The previous prime is 42040488288013. The next prime is 42040488288077. The reversal of 42040488288020 is 2088288404024.

42040488288020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 42040488288020.

It is a congruent number.

It is an unprimeable number.

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, 24442143494 + ... + 24442145213.

It is an arithmetic number, because the mean of its divisors is an integer number (3764090230516).

Almost surely, 2^{42040488288020} is an apocalyptic number.

It is an amenable number.

42040488288020 is an abundant number, since it is smaller than the sum of its proper divisors (48297677244364).

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

42040488288020 is a wasteful number, since it uses less digits than its factorization.

42040488288020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48884288759 (or 48884288757 counting only the distinct ones).

The product of its (nonzero) digits is 2097152, while the sum is 50.

The spelling of 42040488288020 in words is "forty-two trillion, forty billion, four hundred eighty-eight million, two hundred eighty-eight thousand, twenty".