342926209840 has 20 divisors (see below), whose sum is σ = 797303438064. Its totient is φ = 137170483904.

The previous prime is 342926209811. The next prime is 342926209921. The reversal of 342926209840 is 48902629243.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2143288732 + ... + 2143288891.

Almost surely, 2^342926209840 is an apocalyptic number.

It is an amenable number.

342926209840 is an abundant number, since it is smaller than the sum of its proper divisors (454377228224).

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

342926209840 is a wasteful number, since it uses less digits than its factorization.

342926209840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4286577636 (or 4286577630 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 49.

The spelling of 342926209840 in words is "three hundred forty-two billion, nine hundred twenty-six million, two hundred nine thousand, eight hundred forty".