30454918648 has 96 divisors (see below), whose sum is σ = 73183143600. Its totient is φ = 11747904000.

The previous prime is 30454918609. The next prime is 30454918657. The reversal of 30454918648 is 84681945403.

It is a junction number, because it is equal to n+sod(n) for n = 30454918595 and 30454918604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 400548 + ... + 470476.

Almost surely, 2^30454918648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30454918648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36591571800).

30454918648 is an abundant number, since it is smaller than the sum of its proper divisors (42728224952).

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

30454918648 is a wasteful number, since it uses less digits than its factorization.

30454918648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70061 (or 70050 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 30454918648 in words is "thirty billion, four hundred fifty-four million, nine hundred eighteen thousand, six hundred forty-eight".