667407333340 has 24 divisors (see below), whose sum is σ = 1528969527792. Its totient is φ = 242693575680.

The previous prime is 667407333323. The next prime is 667407333343. The reversal of 667407333340 is 43333704766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667407333343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1516834629 + ... + 1516835068.

It is an arithmetic number, because the mean of its divisors is an integer number (63707063658).

Almost surely, 2^667407333340 is an apocalyptic number.

It is an amenable number.

667407333340 is an abundant number, since it is smaller than the sum of its proper divisors (861562194452).

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

667407333340 is a wasteful number, since it uses less digits than its factorization.

667407333340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3033669717 (or 3033669715 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 46.

The spelling of 667407333340 in words is "six hundred sixty-seven billion, four hundred seven million, three hundred thirty-three thousand, three hundred forty".