30444123450 has 96 divisors (see below), whose sum is σ = 81369792000. Its totient is φ = 7488357120.

The previous prime is 30444123449. The next prime is 30444123461. The reversal of 30444123450 is 5432144403.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3015511 + ... + 3025589.

It is an arithmetic number, because the mean of its divisors is an integer number (847602000).

Almost surely, 2^30444123450 is an apocalyptic number.

30444123450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30444123450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40684896000).

30444123450 is an abundant number, since it is smaller than the sum of its proper divisors (50925668550).

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

30444123450 is a wasteful number, since it uses less digits than its factorization.

30444123450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11656 (or 11651 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 30444123450 its reverse (5432144403), we get a palindrome (35876267853).

The spelling of 30444123450 in words is "thirty billion, four hundred forty-four million, one hundred twenty-three thousand, four hundred fifty".