42668370881 has 8 divisors (see below), whose sum is σ = 43889325120. Its totient is φ = 41450982768.

The previous prime is 42668370803. The next prime is 42668370887. The reversal of 42668370881 is 18807386624.

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

It is a cyclic number.

It is not a de Polignac number, because 42668370881 - 2¹⁸ = 42668108737 is a prime.

It is a super-2 number, since 2×42668370881² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42668370887) 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, 867251 + ... + 915128.

It is an arithmetic number, because the mean of its divisors is an integer number (5486165640).

Almost surely, 2^42668370881 is an apocalyptic number.

It is an amenable number.

42668370881 is a deficient number, since it is larger than the sum of its proper divisors (1220954239).

42668370881 is a wasteful number, since it uses less digits than its factorization.

42668370881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783063.

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 42668370881 in words is "forty-two billion, six hundred sixty-eight million, three hundred seventy thousand, eight hundred eighty-one".