30340356816 has 80 divisors (see below), whose sum is σ = 97719602688. Its totient is φ = 7880611200.

The previous prime is 30340356811. The next prime is 30340356863. The reversal of 30340356816 is 61865304303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30340356811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4100790 + ... + 4108181.

Almost surely, 2^30340356816 is an apocalyptic number.

It is an amenable number.

30340356816 is an abundant number, since it is smaller than the sum of its proper divisors (67379245872).

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

30340356816 is a wasteful number, since it uses less digits than its factorization.

30340356816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8209000 (or 8208994 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 30340356816 in words is "thirty billion, three hundred forty million, three hundred fifty-six thousand, eight hundred sixteen".