42214300178 has 6 divisors (see below), whose sum is σ = 63321886119. Its totient is φ = 21107004806.

The previous prime is 42214300171. The next prime is 42214300217. The reversal of 42214300178 is 87100341224.

It can be written as a sum of positive squares in only one way, i.e., 21107150089 + 21107150089 = 145283^2 + 145283^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=145283.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42214300171) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 217925 + ... + 363207.

Almost surely, 2^42214300178 is an apocalyptic number.

42214300178 is a deficient number, since it is larger than the sum of its proper divisors (21107585941).

42214300178 is an frugal number, since it uses more digits than its factorization.

42214300178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290568 (or 145285 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

Multiplying 42214300178 by its sum of digits (32), we get a square (1350857605696 = 1162264²).

The spelling of 42214300178 in words is "forty-two billion, two hundred fourteen million, three hundred thousand, one hundred seventy-eight".