306404404602 has 32 divisors (see below), whose sum is σ = 648916754112. Its totient is φ = 96117928704.

The previous prime is 306404404577. The next prime is 306404404613. The reversal of 306404404602 is 206404404603.

It is a super-2 number, since 2×306404404602² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1007953 + ... + 1276235.

It is an arithmetic number, because the mean of its divisors is an integer number (20278648566).

Almost surely, 2^306404404602 is an apocalyptic number.

306404404602 is an abundant number, since it is smaller than the sum of its proper divisors (342512349510).

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

306404404602 is a wasteful number, since it uses less digits than its factorization.

306404404602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279502.

The product of its (nonzero) digits is 55296, while the sum is 33.

Subtracting from 306404404602 its reverse (206404404603), we obtain a palindrome (99999999999).

The spelling of 306404404602 in words is "three hundred six billion, four hundred four million, four hundred four thousand, six hundred two".