406005334066680 has 64 divisors (see below), whose sum is σ = 1219591702352160. Its totient is φ = 108128026848768.

The previous prime is 406005334066643. The next prime is 406005334066681. The reversal of 406005334066680 is 86660433500604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406005334066681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2188379287 + ... + 2188564806.

Almost surely, 2^{406005334066680} is an apocalyptic number.

406005334066680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

406005334066680 is an abundant number, since it is smaller than the sum of its proper divisors (813586368285480).

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

406005334066680 is a wasteful number, since it uses less digits than its factorization.

406005334066680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4376944880 (or 4376944876 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 51.

The spelling of 406005334066680 in words is "four hundred six trillion, five billion, three hundred thirty-four million, sixty-six thousand, six hundred eighty".