42239450066 has 16 divisors (see below), whose sum is σ = 69158592288. Its totient is φ = 19188780000.

The previous prime is 42239450053. The next prime is 42239450089. The reversal of 42239450066 is 66005493224.

It is a super-2 number, since 2×42239450066² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509060 + ... + 586191.

It is an arithmetic number, because the mean of its divisors is an integer number (4322412018).

Almost surely, 2^42239450066 is an apocalyptic number.

42239450066 is a deficient number, since it is larger than the sum of its proper divisors (26919142222).

42239450066 is a wasteful number, since it uses less digits than its factorization.

42239450066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097017.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 42239450066 in words is "forty-two billion, two hundred thirty-nine million, four hundred fifty thousand, sixty-six".