30203244540 has 144 divisors (see below), whose sum is σ = 104748396480. Its totient is φ = 6900710400.

The previous prime is 30203244517. The next prime is 30203244551. The reversal of 30203244540 is 4544230203.

30203244540 is a `hidden beast` number, since 3 + 0 + 203 + 2 + 4 + 454 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4947490 + ... + 4953590.

It is an arithmetic number, because the mean of its divisors is an integer number (727419420).

Almost surely, 2^30203244540 is an apocalyptic number.

30203244540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30203244540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52374198240).

30203244540 is an abundant number, since it is smaller than the sum of its proper divisors (74545151940).

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

30203244540 is a wasteful number, since it uses less digits than its factorization.

30203244540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10052 (or 10047 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 30203244540 its reverse (4544230203), we get a palindrome (34747474743).

The spelling of 30203244540 in words is "thirty billion, two hundred three million, two hundred forty-four thousand, five hundred forty".