42405045320 has 96 divisors (see below), whose sum is σ = 105403032000. Its totient is φ = 15342180480.

The previous prime is 42405045311. The next prime is 42405045349. The reversal of 42405045320 is 2354050424.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 941147 + ... + 985173.

It is an arithmetic number, because the mean of its divisors is an integer number (1097948250).

Almost surely, 2^42405045320 is an apocalyptic number.

42405045320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42405045320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52701516000).

42405045320 is an abundant number, since it is smaller than the sum of its proper divisors (62997986680).

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

42405045320 is a wasteful number, since it uses less digits than its factorization.

42405045320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44259 (or 44244 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 42405045320 its reverse (2354050424), we get a palindrome (44759095744).

The spelling of 42405045320 in words is "forty-two billion, four hundred five million, forty-five thousand, three hundred twenty".