30444140000 has 240 divisors, whose sum is σ = 77569119936. Its totient is φ = 11750400000.

The previous prime is 30444139997. The next prime is 30444140009. The reversal of 30444140000 is 4144403.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30444140009) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 112339865 + ... + 112340135.

Almost surely, 2^30444140000 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 30444140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38784559968).

30444140000 is an abundant number, since it is smaller than the sum of its proper divisors (47124979936).

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

30444140000 is a wasteful number, since it uses less digits than its factorization.

30444140000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 30444140000 its reverse (4144403), we get a palindrome (30448284403).

The spelling of 30444140000 in words is "thirty billion, four hundred forty-four million, one hundred forty thousand".