340921256304 has 160 divisors (see below), whose sum is σ = 931648307200. Its totient is φ = 107128707840.

The previous prime is 340921256237. The next prime is 340921256321. The reversal of 340921256304 is 403652129043.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266552337 + ... + 266553615.

It is an arithmetic number, because the mean of its divisors is an integer number (5822801920).

Almost surely, 2^340921256304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340921256304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (465824153600).

340921256304 is an abundant number, since it is smaller than the sum of its proper divisors (590727050896).

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

340921256304 is a wasteful number, since it uses less digits than its factorization.

340921256304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523 (or 2517 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 340921256304 in words is "three hundred forty billion, nine hundred twenty-one million, two hundred fifty-six thousand, three hundred four".