42421444302 has 16 divisors (see below), whose sum is σ = 84865444560. Its totient is φ = 14136722112.

The previous prime is 42421444279. The next prime is 42421444321. The reversal of 42421444302 is 20344412424.

It is a self number, because there is not a number n which added to its sum of digits gives 42421444302.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 915333 + ... + 960560.

It is an arithmetic number, because the mean of its divisors is an integer number (5304090285).

Almost surely, 2^42421444302 is an apocalyptic number.

42421444302 is an abundant number, since it is smaller than the sum of its proper divisors (42444000258).

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

42421444302 is a wasteful number, since it uses less digits than its factorization.

42421444302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879667.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 42421444302 its reverse (20344412424), we get a palindrome (62765856726).

The spelling of 42421444302 in words is "forty-two billion, four hundred twenty-one million, four hundred forty-four thousand, three hundred two".