340667009982 has 64 divisors (see below), whose sum is σ = 837305904960. Its totient is φ = 101987620992.

The previous prime is 340667009869. The next prime is 340667009987. The reversal of 340667009982 is 289900766043.

It is a happy number.

340667009982 is a `hidden beast` number, since 3 + 406 + 6 + 70 + 0 + 99 + 82 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340667009987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6531873 + ... + 6583820.

It is an arithmetic number, because the mean of its divisors is an integer number (13082904765).

Almost surely, 2^340667009982 is an apocalyptic number.

340667009982 is an abundant number, since it is smaller than the sum of its proper divisors (496638894978).

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

340667009982 is a wasteful number, since it uses less digits than its factorization.

340667009982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13115754 (or 13115748 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 340667009982 in words is "three hundred forty billion, six hundred sixty-seven million, nine thousand, nine hundred eighty-two".