42738842838 has 16 divisors (see below), whose sum is σ = 85484413440. Its totient is φ = 14245159656.

The previous prime is 42738842837. The next prime is 42738842851. The reversal of 42738842838 is 83824883724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42738842831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195778 + ... + 351861.

It is an arithmetic number, because the mean of its divisors is an integer number (5342775840).

Almost surely, 2^42738842838 is an apocalyptic number.

42738842838 is an abundant number, since it is smaller than the sum of its proper divisors (42745570602).

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

42738842838 is a wasteful number, since it uses less digits than its factorization.

42738842838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560651.

The product of its digits is 16515072, while the sum is 57.

The spelling of 42738842838 in words is "forty-two billion, seven hundred thirty-eight million, eight hundred forty-two thousand, eight hundred thirty-eight".