42521444300 has 72 divisors (see below), whose sum is σ = 95590756800. Its totient is φ = 16398430720.

The previous prime is 42521444297. The next prime is 42521444311. The reversal of 42521444300 is 344412524.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2074904 + ... + 2095296.

It is an arithmetic number, because the mean of its divisors is an integer number (1327649400).

Almost surely, 2^42521444300 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 42521444300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47795378400).

42521444300 is an abundant number, since it is smaller than the sum of its proper divisors (53069312500).

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

42521444300 is a wasteful number, since it uses less digits than its factorization.

42521444300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21155 (or 21148 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 42521444300 its reverse (344412524), we get a palindrome (42865856824).

The spelling of 42521444300 in words is "forty-two billion, five hundred twenty-one million, four hundred forty-four thousand, three hundred".