340555446 has 48 divisors (see below), whose sum is σ = 919945728. Its totient is φ = 88455600.

The previous prime is 340555433. The next prime is 340555447. The reversal of 340555446 is 644555043.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 340555446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340555447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121470 + ... + 124241.

It is an arithmetic number, because the mean of its divisors is an integer number (19165536).

Almost surely, 2^340555446 is an apocalyptic number.

340555446 is an abundant number, since it is smaller than the sum of its proper divisors (579390282).

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

340555446 is a wasteful number, since it uses less digits than its factorization.

340555446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245737 (or 245734 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The square root of 340555446 is about 18454.1444125703. The cubic root of 340555446 is about 698.3330717464. Note that the first 3 decimals are identical.

The spelling of 340555446 in words is "three hundred forty million, five hundred fifty-five thousand, four hundred forty-six".