340705533644 has 36 divisors (see below), whose sum is σ = 693633978576. Its totient is φ = 146005108704.

The previous prime is 340705533613. The next prime is 340705533709. The reversal of 340705533644 is 446335507043.

It is a junction number, because it is equal to n+sod(n) for n = 340705533595 and 340705533604.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2699354 + ... + 2822750.

It is an arithmetic number, because the mean of its divisors is an integer number (19267610516).

Almost surely, 2^340705533644 is an apocalyptic number.

It is an amenable number.

340705533644 is an abundant number, since it is smaller than the sum of its proper divisors (352928444932).

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

340705533644 is a wasteful number, since it uses less digits than its factorization.

340705533644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137502 (or 137493 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 44.

The spelling of 340705533644 in words is "three hundred forty billion, seven hundred five million, five hundred thirty-three thousand, six hundred forty-four".