349741073178 has 72 divisors (see below), whose sum is σ = 890578002132. Its totient is φ = 98895831552.

The previous prime is 349741073177. The next prime is 349741073183. The reversal of 349741073178 is 871370147943.

349741073178 is a `hidden beast` number, since 3 + 4 + 97 + 410 + 73 + 1 + 78 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 349632142209 + 108930969 = 591297^2 + 10437^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (349741073177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1958425 + ... + 2129532.

Almost surely, 2^349741073178 is an apocalyptic number.

349741073178 is an abundant number, since it is smaller than the sum of its proper divisors (540836928954).

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

349741073178 is a wasteful number, since it uses less digits than its factorization.

349741073178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4088076 (or 4088066 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 54.

The spelling of 349741073178 in words is "three hundred forty-nine billion, seven hundred forty-one million, seventy-three thousand, one hundred seventy-eight".