30242535040 has 128 divisors (see below), whose sum is σ = 74114766720. Its totient is φ = 11796787200.

The previous prime is 30242534947. The next prime is 30242535077. The reversal of 30242535040 is 4053524203.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×30242535040² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4327389 + ... + 4334371.

It is an arithmetic number, because the mean of its divisors is an integer number (579021615).

Almost surely, 2^30242535040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30242535040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37057383360).

30242535040 is an abundant number, since it is smaller than the sum of its proper divisors (43872231680).

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

30242535040 is a wasteful number, since it uses less digits than its factorization.

30242535040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7170 (or 7158 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The spelling of 30242535040 in words is "thirty billion, two hundred forty-two million, five hundred thirty-five thousand, forty".