667056024940 has 24 divisors (see below), whose sum is σ = 1400896022400. Its totient is φ = 266807482368.

The previous prime is 667056024893. The next prime is 667056024953. The reversal of 667056024940 is 49420650766.

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, 562972 + ... + 1284931.

It is an arithmetic number, because the mean of its divisors is an integer number (58370667600).

Almost surely, 2^667056024940 is an apocalyptic number.

It is an amenable number.

667056024940 is an abundant number, since it is smaller than the sum of its proper divisors (733839997460).

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

667056024940 is a wasteful number, since it uses less digits than its factorization.

667056024940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865961 (or 1865959 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 667056024940 in words is "six hundred sixty-seven billion, fifty-six million, twenty-four thousand, nine hundred forty".