30508255552 has 56 divisors (see below), whose sum is σ = 61526025792. Its totient is φ = 15007180800.

The previous prime is 30508255529. The next prime is 30508255691. The reversal of 30508255552 is 25555280503.

It is a super-2 number, since 2×30508255552² (a number of 22 digits) contains 22 as substring.

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, 1268277 + ... + 1292107.

It is an arithmetic number, because the mean of its divisors is an integer number (1098679032).

Almost surely, 2^30508255552 is an apocalyptic number.

30508255552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30508255552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30763012896).

30508255552 is an abundant number, since it is smaller than the sum of its proper divisors (31017770240).

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

30508255552 is a wasteful number, since it uses less digits than its factorization.

30508255552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24167 (or 24157 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 30508255552 in words is "thirty billion, five hundred eight million, two hundred fifty-five thousand, five hundred fifty-two".