42120022366 has 8 divisors (see below), whose sum is σ = 63256803984. Its totient is φ = 21034421040.

The previous prime is 42120022363. The next prime is 42120022381. The reversal of 42120022366 is 66322002124.

42120022366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×42120022366² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42120022363) 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, 12793015 + ... + 12796306.

It is an arithmetic number, because the mean of its divisors is an integer number (7907100498).

Almost surely, 2^42120022366 is an apocalyptic number.

42120022366 is a deficient number, since it is larger than the sum of its proper divisors (21136781618).

42120022366 is a wasteful number, since it uses less digits than its factorization.

42120022366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25590146.

The product of its (nonzero) digits is 6912, while the sum is 28.

The spelling of 42120022366 in words is "forty-two billion, one hundred twenty million, twenty-two thousand, three hundred sixty-six".