30120422544 has 60 divisors (see below), whose sum is σ = 85450109836. Its totient is φ = 9902601216.

The previous prime is 30120422483. The next prime is 30120422567. The reversal of 30120422544 is 44522402103.

It can be written as a sum of positive squares in 2 ways, for example, as 5788166400 + 24332256144 = 76080^2 + 155988^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1422157 + ... + 1443180.

Almost surely, 2^30120422544 is an apocalyptic number.

It is an amenable number.

30120422544 is an abundant number, since it is smaller than the sum of its proper divisors (55329687292).

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

30120422544 is a wasteful number, since it uses less digits than its factorization.

30120422544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865424 (or 2865415 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 30120422544 its reverse (44522402103), we get a palindrome (74642824647).

The spelling of 30120422544 in words is "thirty billion, one hundred twenty million, four hundred twenty-two thousand, five hundred forty-four".