340666056 has 48 divisors (see below), whose sum is σ = 936421200. Its totient is φ = 111858912.

The previous prime is 340666049. The next prime is 340666063. The reversal of 340666056 is 650666043.

It is an interprime number because it is at equal distance from previous prime (340666049) and next prime (340666063).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 340666056.

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, 30486 + ... + 40133.

It is an arithmetic number, because the mean of its divisors is an integer number (19508775).

Almost surely, 2^340666056 is an apocalyptic number.

340666056 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

340666056 is an abundant number, since it is smaller than the sum of its proper divisors (595755144).

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

340666056 is a wasteful number, since it uses less digits than its factorization.

340666056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70698 (or 70691 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 340666056 is about 18457.1410570543. The cubic root of 340666056 is about 698.4086681100.

The spelling of 340666056 in words is "three hundred forty million, six hundred sixty-six thousand, fifty-six".