42443424402020 has 48 divisors (see below), whose sum is σ = 93027860998128. Its totient is φ = 16250772695040.

The previous prime is 42443424402011. The next prime is 42443424402023. The reversal of 42443424402020 is 2020442434424.

It can be written as a sum of positive squares in 8 ways, for example, as 284479289956 + 42158945112064 = 533366^2 + 6492992^2 .

It is not an unprimeable number, because it can be changed into a prime (42443424402023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488261009 + ... + 488347928.

It is an arithmetic number, because the mean of its divisors is an integer number (1938080437461).

Almost surely, 2^{42443424402020} is an apocalyptic number.

It is an amenable number.

42443424402020 is an abundant number, since it is smaller than the sum of its proper divisors (50584436596108).

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

42443424402020 is a wasteful number, since it uses less digits than its factorization.

42443424402020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976609040 (or 976609038 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 35.

Adding to 42443424402020 its reverse (2020442434424), we get a palindrome (44463866836444).

The spelling of 42443424402020 in words is "forty-two trillion, four hundred forty-three billion, four hundred twenty-four million, four hundred two thousand, twenty".