667468140740 has 48 divisors (see below), whose sum is σ = 1409050339200. Its totient is φ = 265584591360.

The previous prime is 667468140721. The next prime is 667468140751. The reversal of 667468140740 is 47041864766.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19895180 + ... + 19928700.

It is an arithmetic number, because the mean of its divisors is an integer number (29355215400).

Almost surely, 2^667468140740 is an apocalyptic number.

It is an amenable number.

667468140740 is an abundant number, since it is smaller than the sum of its proper divisors (741582198460).

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

667468140740 is a wasteful number, since it uses less digits than its factorization.

667468140740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38732 (or 38730 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 53.

The spelling of 667468140740 in words is "six hundred sixty-seven billion, four hundred sixty-eight million, one hundred forty thousand, seven hundred forty".