304685353442 has 54 divisors (see below), whose sum is σ = 486147915747. Its totient is φ = 143209789632.

The previous prime is 304685353421. The next prime is 304685353451. The reversal of 304685353442 is 244353586403.

It can be written as a sum of positive squares in 5 ways, for example, as 3305215081 + 301380138361 = 57491^2 + 548981^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=390311.

It is a super-2 number, since 2×304685353442² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 973435478 + ... + 973435790.

Almost surely, 2^304685353442 is an apocalyptic number.

304685353442 is a deficient number, since it is larger than the sum of its proper divisors (181462562305).

304685353442 is an frugal number, since it uses more digits than its factorization.

304685353442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 47.

The spelling of 304685353442 in words is "three hundred four billion, six hundred eighty-five million, three hundred fifty-three thousand, four hundred forty-two".