346689782140 has 48 divisors (see below), whose sum is σ = 788584472928. Its totient is φ = 127268584704.

The previous prime is 346689782099. The next prime is 346689782171. The reversal of 346689782140 is 41287986643.

It is a happy number.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 3808842 + ... + 3898801.

It is an arithmetic number, because the mean of its divisors is an integer number (16428843186).

Almost surely, 2^346689782140 is an apocalyptic number.

It is an amenable number.

346689782140 is an abundant number, since it is smaller than the sum of its proper divisors (441894690788).

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

346689782140 is a wasteful number, since it uses less digits than its factorization.

346689782140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7707838 (or 7707836 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 58.

The spelling of 346689782140 in words is "three hundred forty-six billion, six hundred eighty-nine million, seven hundred eighty-two thousand, one hundred forty".