30548777148 has 36 divisors (see below), whose sum is σ = 78150895368. Its totient is φ = 10060238880.

The previous prime is 30548777141. The next prime is 30548777153. The reversal of 30548777148 is 84177784503.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 30548777094 and 30548777103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30548777141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5108923 + ... + 5114898.

Almost surely, 2^30548777148 is an apocalyptic number.

It is an amenable number.

30548777148 is an abundant number, since it is smaller than the sum of its proper divisors (47602118220).

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

30548777148 is a wasteful number, since it uses less digits than its factorization.

30548777148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10223914 (or 10223909 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 54.

The spelling of 30548777148 in words is "thirty billion, five hundred forty-eight million, seven hundred seventy-seven thousand, one hundred forty-eight".