306405461999 has 24 divisors (see below), whose sum is σ = 379648415232. Its totient is φ = 242135356320.

The previous prime is 306405461987. The next prime is 306405462037. The reversal of 306405461999 is 999164504603.

It is not a de Polignac number, because 306405461999 - 2⁴ = 306405461983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306405461939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 816254 + ... + 1130964.

It is an arithmetic number, because the mean of its divisors is an integer number (15818683968).

Almost surely, 2^306405461999 is an apocalyptic number.

306405461999 is a deficient number, since it is larger than the sum of its proper divisors (73242953233).

306405461999 is a wasteful number, since it uses less digits than its factorization.

306405461999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315567 (or 315554 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 56.

The spelling of 306405461999 in words is "three hundred six billion, four hundred five million, four hundred sixty-one thousand, nine hundred ninety-nine".