30104243440 has 160 divisors (see below), whose sum is σ = 74605224960. Its totient is φ = 11276697600.

The previous prime is 30104243423. The next prime is 30104243441. The reversal of 30104243440 is 4434240103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30104243441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18167092 + ... + 18168748.

It is an arithmetic number, because the mean of its divisors is an integer number (466282656).

Almost surely, 2^30104243440 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 30104243440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37302612480).

30104243440 is an abundant number, since it is smaller than the sum of its proper divisors (44500981520).

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

30104243440 is a wasteful number, since it uses less digits than its factorization.

30104243440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931 (or 1925 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 30104243440 its reverse (4434240103), we get a palindrome (34538483543).

The spelling of 30104243440 in words is "thirty billion, one hundred four million, two hundred forty-three thousand, four hundred forty".