30555836142 has 32 divisors (see below), whose sum is σ = 69683900832. Its totient is φ = 8848748544.

The previous prime is 30555836107. The next prime is 30555836197. The reversal of 30555836142 is 24163855503.

It is a junction number, because it is equal to n+sod(n) for n = 30555836094 and 30555836103.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11520483 + ... + 11523134.

It is an arithmetic number, because the mean of its divisors is an integer number (2177621901).

Almost surely, 2^30555836142 is an apocalyptic number.

30555836142 is an abundant number, since it is smaller than the sum of its proper divisors (39128064690).

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

30555836142 is a wasteful number, since it uses less digits than its factorization.

30555836142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23043652.

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 30555836142 in words is "thirty billion, five hundred fifty-five million, eight hundred thirty-six thousand, one hundred forty-two".