42044220420 has 24 divisors (see below), whose sum is σ = 117723817344. Its totient is φ = 11211792096.

The previous prime is 42044220403. The next prime is 42044220443. The reversal of 42044220420 is 2402244024.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350368444 + ... + 350368563.

It is an arithmetic number, because the mean of its divisors is an integer number (4905159056).

Almost surely, 2^42044220420 is an apocalyptic number.

It is an amenable number.

42044220420 is an abundant number, since it is smaller than the sum of its proper divisors (75679596924).

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

42044220420 is a wasteful number, since it uses less digits than its factorization.

42044220420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700737019 (or 700737017 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 42044220420 its reverse (2402244024), we get a palindrome (44446464444).

The spelling of 42044220420 in words is "forty-two billion, forty-four million, two hundred twenty thousand, four hundred twenty".