42266139168 has 96 divisors (see below), whose sum is σ = 121077778752. Its totient is φ = 12803379200.

The previous prime is 42266139137. The next prime is 42266139191. The reversal of 42266139168 is 86193166224.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4093180 + ... + 4103492.

It is an arithmetic number, because the mean of its divisors is an integer number (1261226862).

Almost surely, 2^42266139168 is an apocalyptic number.

42266139168 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

42266139168 is an abundant number, since it is smaller than the sum of its proper divisors (78811639584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42266139168 is a wasteful number, since it uses less digits than its factorization.

42266139168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14218 (or 14210 counting only the distinct ones).

The product of its digits is 746496, while the sum is 48.

The spelling of 42266139168 in words is "forty-two billion, two hundred sixty-six million, one hundred thirty-nine thousand, one hundred sixty-eight".