42831537238 has 16 divisors (see below), whose sum is σ = 73433182464. Its totient is φ = 18354450600.

The previous prime is 42831537233. The next prime is 42831537271. The reversal of 42831537238 is 83273513824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42831537233) 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, 17370 + ... + 293197.

It is an arithmetic number, because the mean of its divisors is an integer number (4589573904).

Almost surely, 2^42831537238 is an apocalyptic number.

42831537238 is a deficient number, since it is larger than the sum of its proper divisors (30601645226).

42831537238 is a wasteful number, since it uses less digits than its factorization.

42831537238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320427.

The product of its digits is 967680, while the sum is 46.

The spelling of 42831537238 in words is "forty-two billion, eight hundred thirty-one million, five hundred thirty-seven thousand, two hundred thirty-eight".