42881808038686 has 8 divisors (see below), whose sum is σ = 67708117955880. Its totient is φ = 20312435386728.

The previous prime is 42881808038677. The next prime is 42881808038687. The reversal of 42881808038686 is 68683080818824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42881808038687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564234316261 + ... + 564234316336.

It is an arithmetic number, because the mean of its divisors is an integer number (8463514744485).

Almost surely, 2^{42881808038686} is an apocalyptic number.

42881808038686 is a deficient number, since it is larger than the sum of its proper divisors (24826309917194).

42881808038686 is a wasteful number, since it uses less digits than its factorization.

42881808038686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128468632618.

The product of its (nonzero) digits is 226492416, while the sum is 70.

The spelling of 42881808038686 in words is "forty-two trillion, eight hundred eighty-one billion, eight hundred eight million, thirty-eight thousand, six hundred eighty-six".