30382778924 has 12 divisors (see below), whose sum is σ = 55481596464. Its totient is φ = 14530894224.

The previous prime is 30382778903. The next prime is 30382778927. The reversal of 30382778924 is 42987728303.

It is a super-2 number, since 2×30382778924² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30382778927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165123707 + ... + 165123890.

It is an arithmetic number, because the mean of its divisors is an integer number (4623466372).

Almost surely, 2^30382778924 is an apocalyptic number.

It is an amenable number.

30382778924 is a deficient number, since it is larger than the sum of its proper divisors (25098817540).

30382778924 is a wasteful number, since it uses less digits than its factorization.

30382778924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330247624 (or 330247622 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 30382778924 in words is "thirty billion, three hundred eighty-two million, seven hundred seventy-eight thousand, nine hundred twenty-four".