340644660 has 48 divisors (see below), whose sum is σ = 954882432. Its totient is φ = 90736000.

The previous prime is 340644649. The next prime is 340644677. The reversal of 340644660 is 66446043.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60985 + ... + 66335.

It is an arithmetic number, because the mean of its divisors is an integer number (19893384).

Almost surely, 2^340644660 is an apocalyptic number.

340644660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

340644660 is an abundant number, since it is smaller than the sum of its proper divisors (614237772).

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

340644660 is a wasteful number, since it uses less digits than its factorization.

340644660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6424 (or 6422 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 340644660 is about 18456.5614348936. The cubic root of 340644660 is about 698.3940462984.

The spelling of 340644660 in words is "three hundred forty million, six hundred forty-four thousand, six hundred sixty".