340363656 has 48 divisors (see below), whose sum is σ = 922671360. Its totient is φ = 113349600.

The previous prime is 340363651. The next prime is 340363657. The reversal of 340363656 is 656363043.

It is a happy number.

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 340363656.

It is not an unprimeable number, because it can be changed into a prime (340363651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139261 + ... + 141683.

It is an arithmetic number, because the mean of its divisors is an integer number (19222320).

Almost surely, 2^340363656 is an apocalyptic number.

340363656 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

340363656 is an abundant number, since it is smaller than the sum of its proper divisors (582307704).

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

340363656 is a wasteful number, since it uses less digits than its factorization.

340363656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4386 (or 4379 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 36.

The square root of 340363656 is about 18448.9472870405. The cubic root of 340363656 is about 698.2019541349.

The spelling of 340363656 in words is "three hundred forty million, three hundred sixty-three thousand, six hundred fifty-six".