30554259156 has 84 divisors (see below), whose sum is σ = 82335257172. Its totient is φ = 9909454464.

The previous prime is 30554259149. The next prime is 30554259161. The reversal of 30554259156 is 65195245503.

30554259156 is a `hidden beast` number, since 3 + 0 + 5 + 5 + 4 + 2 + 591 + 56 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 29469215556 + 1085043600 = 171666^2 + 32940^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 33705 + ... + 249488.

It is an arithmetic number, because the mean of its divisors is an integer number (980181633).

Almost surely, 2^30554259156 is an apocalyptic number.

30554259156 is a gapful number since it is divisible by the number (36) 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 30554259156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41167628586).

30554259156 is an abundant number, since it is smaller than the sum of its proper divisors (51780998016).

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

30554259156 is a wasteful number, since it uses less digits than its factorization.

30554259156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283252 (or 283235 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The spelling of 30554259156 in words is "thirty billion, five hundred fifty-four million, two hundred fifty-nine thousand, one hundred fifty-six".