420660462409 has 8 divisors (see below), whose sum is σ = 458978034528. Its totient is φ = 382355508960.

The previous prime is 420660462359. The next prime is 420660462413. The reversal of 420660462409 is 904264066024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 420660462409 - 2⁷ = 420660462281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420660462449) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3084892 + ... + 3218365.

It is an arithmetic number, because the mean of its divisors is an integer number (57372254316).

Almost surely, 2^420660462409 is an apocalyptic number.

It is an amenable number.

420660462409 is a deficient number, since it is larger than the sum of its proper divisors (38317572119).

420660462409 is a wasteful number, since it uses less digits than its factorization.

420660462409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6309335.

The product of its (nonzero) digits is 497664, while the sum is 43.

The spelling of 420660462409 in words is "four hundred twenty billion, six hundred sixty million, four hundred sixty-two thousand, four hundred nine".