42072827938 has 12 divisors (see below), whose sum is σ = 65210697270. Its totient is φ = 20357819040.

The previous prime is 42072827887. The next prime is 42072827963. The reversal of 42072827938 is 83972827024.

It can be written as a sum of positive squares in only one way, i.e., 25815812929 + 16257015009 = 160673^2 + 127503^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10943143 + ... + 10946986.

Almost surely, 2^42072827938 is an apocalyptic number.

42072827938 is a deficient number, since it is larger than the sum of its proper divisors (23137869332).

42072827938 is a wasteful number, since it uses less digits than its factorization.

42072827938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21890193 (or 21890162 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 42072827938 in words is "forty-two billion, seventy-two million, eight hundred twenty-seven thousand, nine hundred thirty-eight".