667367340040 has 32 divisors (see below), whose sum is σ = 1504791924480. Its totient is φ = 266375307712.

The previous prime is 667367340037. The next prime is 667367340067. The reversal of 667367340040 is 40043763766.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17844472 + ... + 17881831.

It is an arithmetic number, because the mean of its divisors is an integer number (47024747640).

Almost surely, 2^667367340040 is an apocalyptic number.

It is an amenable number.

667367340040 is an abundant number, since it is smaller than the sum of its proper divisors (837424584440).

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

667367340040 is a wasteful number, since it uses less digits than its factorization.

667367340040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35726781 (or 35726777 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 46.

The spelling of 667367340040 in words is "six hundred sixty-seven billion, three hundred sixty-seven million, three hundred forty thousand, forty".