30439378328 has 16 divisors (see below), whose sum is σ = 57662225880. Its totient is φ = 15062784768.

The previous prime is 30439378327. The next prime is 30439378331. The reversal of 30439378328 is 82387393403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30439378327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19612226 + ... + 19613777.

Almost surely, 2^30439378328 is an apocalyptic number.

It is an amenable number.

30439378328 is a deficient number, since it is larger than the sum of its proper divisors (27222847552).

30439378328 is a wasteful number, since it uses less digits than its factorization.

30439378328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39226106 (or 39226102 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 50.

The spelling of 30439378328 in words is "thirty billion, four hundred thirty-nine million, three hundred seventy-eight thousand, three hundred twenty-eight".