30301012240 has 20 divisors (see below), whose sum is σ = 70449853644. Its totient is φ = 12120404864.

The previous prime is 30301012187. The next prime is 30301012253. The reversal of 30301012240 is 4221010303.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19511619856 + 10789392384 = 139684^2 + 103872^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189381247 + ... + 189381406.

Almost surely, 2^30301012240 is an apocalyptic number.

It is an amenable number.

30301012240 is an abundant number, since it is smaller than the sum of its proper divisors (40148841404).

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

30301012240 is a wasteful number, since it uses less digits than its factorization.

30301012240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378762666 (or 378762660 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30301012240 its reverse (4221010303), we get a palindrome (34522022543).

The spelling of 30301012240 in words is "thirty billion, three hundred one million, twelve thousand, two hundred forty".