42020442354 has 64 divisors (see below), whose sum is σ = 93011535360. Its totient is φ = 12548949120.

The previous prime is 42020442353. The next prime is 42020442377. The reversal of 42020442354 is 45324402024.

It is a super-2 number, since 2×42020442354² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42020442353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7797649 + ... + 7803035.

It is an arithmetic number, because the mean of its divisors is an integer number (1453305240).

Almost surely, 2^42020442354 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42020442354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46505767680).

42020442354 is an abundant number, since it is smaller than the sum of its proper divisors (50991093006).

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

42020442354 is a wasteful number, since it uses less digits than its factorization.

42020442354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7095.

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 42020442354 its reverse (45324402024), we get a palindrome (87344844378).

The spelling of 42020442354 in words is "forty-two billion, twenty million, four hundred forty-two thousand, three hundred fifty-four".