343406673025440 has 96 divisors (see below), whose sum is σ = 1110966993601920. Its totient is φ = 89100109753344.

The previous prime is 343406673025399. The next prime is 343406673025447. The reversal of 343406673025440 is 44520376604343.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (343406673025447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9667962900 + ... + 9667998419.

It is an arithmetic number, because the mean of its divisors is an integer number (11572572850020).

Almost surely, 2^{343406673025440} is an apocalyptic number.

343406673025440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

343406673025440 is an abundant number, since it is smaller than the sum of its proper divisors (767560320576480).

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

343406673025440 is a wasteful number, since it uses less digits than its factorization.

343406673025440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19335961374 (or 19335961366 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 51.

The spelling of 343406673025440 in words is "three hundred forty-three trillion, four hundred six billion, six hundred seventy-three million, twenty-five thousand, four hundred forty".