30260020240 has 20 divisors (see below), whose sum is σ = 70354547244. Its totient is φ = 12104008064.

The previous prime is 30260020229. The next prime is 30260020267. The reversal of 30260020240 is 4202006203.

It can be written as a sum of positive squares in 2 ways, for example, as 4322273536 + 25937746704 = 65744^2 + 161052^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 189125047 + ... + 189125206.

Almost surely, 2^30260020240 is an apocalyptic number.

It is an amenable number.

30260020240 is an abundant number, since it is smaller than the sum of its proper divisors (40094527004).

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

30260020240 is a wasteful number, since it uses less digits than its factorization.

30260020240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378250266 (or 378250260 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 30260020240 its reverse (4202006203), we get a palindrome (34462026443).

The spelling of 30260020240 in words is "thirty billion, two hundred sixty million, twenty thousand, two hundred forty".