667040403700 has 72 divisors (see below), whose sum is σ = 1584767880864. Its totient is φ = 241684368000.

The previous prime is 667040403671. The next prime is 667040403713. The reversal of 667040403700 is 7304040766.

It is a self number, because there is not a number n which added to its sum of digits gives 667040403700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 789886 + ... + 1399285.

It is an arithmetic number, because the mean of its divisors is an integer number (22010665012).

Almost surely, 2^667040403700 is an apocalyptic number.

It is an amenable number.

667040403700 is an abundant number, since it is smaller than the sum of its proper divisors (917727477164).

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

667040403700 is a wasteful number, since it uses less digits than its factorization.

667040403700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189473 (or 2189466 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 37.

The spelling of 667040403700 in words is "six hundred sixty-seven billion, forty million, four hundred three thousand, seven hundred".