308040430668 has 24 divisors (see below), whose sum is σ = 718896691968. Its totient is φ = 102660759696.

The previous prime is 308040430637. The next prime is 308040430681. The reversal of 308040430668 is 866034040803.

It is a super-2 number, since 2×308040430668² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2356696 + ... + 2483967.

It is an arithmetic number, because the mean of its divisors is an integer number (29954028832).

Almost surely, 2^308040430668 is an apocalyptic number.

It is an amenable number.

308040430668 is an abundant number, since it is smaller than the sum of its proper divisors (410856261300).

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

308040430668 is a wasteful number, since it uses less digits than its factorization.

308040430668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4845973 (or 4845971 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 308040430668 in words is "three hundred eight billion, forty million, four hundred thirty thousand, six hundred sixty-eight".