30154522242 has 128 divisors (see below), whose sum is σ = 72546969600. Its totient is φ = 8254780416.

The previous prime is 30154522217. The next prime is 30154522253. The reversal of 30154522242 is 24222545103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14787859 + ... + 14789897.

It is an arithmetic number, because the mean of its divisors is an integer number (566773200).

Almost surely, 2^30154522242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30154522242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36273484800).

30154522242 is an abundant number, since it is smaller than the sum of its proper divisors (42392447358).

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

30154522242 is a wasteful number, since it uses less digits than its factorization.

30154522242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680.

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 30154522242 in words is "thirty billion, one hundred fifty-four million, five hundred twenty-two thousand, two hundred forty-two".