30440421024 has 192 divisors, whose sum is σ = 88639334784. Its totient is φ = 9087676416.

The previous prime is 30440421023. The next prime is 30440421031. The reversal of 30440421024 is 42012404403.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 30440420985 and 30440421003.

It is not an unprimeable number, because it can be changed into a prime (30440421023) 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, 8423442 + ... + 8427054.

It is an arithmetic number, because the mean of its divisors is an integer number (461663202).

Almost surely, 2^30440421024 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 30440421024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44319667392).

30440421024 is an abundant number, since it is smaller than the sum of its proper divisors (58198913760).

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

30440421024 is a wasteful number, since it uses less digits than its factorization.

30440421024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3839 (or 3831 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 30440421024 its reverse (42012404403), we get a palindrome (72452825427).

The spelling of 30440421024 in words is "thirty billion, four hundred forty million, four hundred twenty-one thousand, twenty-four".