673400343340 has 24 divisors (see below), whose sum is σ = 1415937629232. Its totient is φ = 269017869120.

The previous prime is 673400343299. The next prime is 673400343347. The reversal of 673400343340 is 43343004376.

673400343340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 673400343340.

It is not an unprimeable number, because it can be changed into a prime (673400343347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21375631 + ... + 21407110.

It is an arithmetic number, because the mean of its divisors is an integer number (58997401218).

Almost surely, 2^673400343340 is an apocalyptic number.

It is an amenable number.

673400343340 is an abundant number, since it is smaller than the sum of its proper divisors (742537285892).

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

673400343340 is a wasteful number, since it uses less digits than its factorization.

673400343340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42783537 (or 42783535 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 37.

The spelling of 673400343340 in words is "six hundred seventy-three billion, four hundred million, three hundred forty-three thousand, three hundred forty".