30252778328 has 32 divisors (see below), whose sum is σ = 56978404560. Its totient is φ = 15058692480.

The previous prime is 30252778289. The next prime is 30252778343. The reversal of 30252778328 is 82387725203.

It is a congruent number.

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, 1624526 + ... + 1643042.

Almost surely, 2^30252778328 is an apocalyptic number.

It is an amenable number.

30252778328 is a deficient number, since it is larger than the sum of its proper divisors (26725626232).

30252778328 is a wasteful number, since it uses less digits than its factorization.

30252778328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19427 (or 19423 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 30252778328 in words is "thirty billion, two hundred fifty-two million, seven hundred seventy-eight thousand, three hundred twenty-eight".