30500005040 has 80 divisors (see below), whose sum is σ = 72129192960. Its totient is φ = 11992458240.

The previous prime is 30500005013. The next prime is 30500005051. The reversal of 30500005040 is 4050000503.

It is a tau number, because it is divible by the number of its divisors (80).

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, 1093670 + ... + 1121210.

It is an arithmetic number, because the mean of its divisors is an integer number (901614912).

Almost surely, 2^30500005040 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 30500005040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36064596480).

30500005040 is an abundant number, since it is smaller than the sum of its proper divisors (41629187920).

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

30500005040 is a wasteful number, since it uses less digits than its factorization.

30500005040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27790 (or 27784 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

Adding to 30500005040 its reverse (4050000503), we get a palindrome (34550005543).

The spelling of 30500005040 in words is "thirty billion, five hundred million, five thousand, forty".