343400377340 has 48 divisors (see below), whose sum is σ = 725474733984. Its totient is φ = 136536288000.

The previous prime is 343400377339. The next prime is 343400377351. The reversal of 343400377340 is 43773004343.

It is a junction number, because it is equal to n+sod(n) for n = 343400377294 and 343400377303.

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, 3312290 + ... + 3414390.

It is an arithmetic number, because the mean of its divisors is an integer number (15114056958).

Almost surely, 2^343400377340 is an apocalyptic number.

It is an amenable number.

343400377340 is an abundant number, since it is smaller than the sum of its proper divisors (382074356644).

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

343400377340 is a wasteful number, since it uses less digits than its factorization.

343400377340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103118 (or 103116 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 38.

The spelling of 343400377340 in words is "three hundred forty-three billion, four hundred million, three hundred seventy-seven thousand, three hundred forty".