42221202040 has 64 divisors (see below), whose sum is σ = 100694223360. Its totient is φ = 15877908480.

The previous prime is 42221202031. The next prime is 42221202059. The reversal of 42221202040 is 4020212224.

It is a junction number, because it is equal to n+sod(n) for n = 42221201999 and 42221202017.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 606889 + ... + 672871.

It is an arithmetic number, because the mean of its divisors is an integer number (1573347240).

Almost surely, 2^42221202040 is an apocalyptic number.

42221202040 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 42221202040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50347111680).

42221202040 is an abundant number, since it is smaller than the sum of its proper divisors (58473021320).

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

42221202040 is a wasteful number, since it uses less digits than its factorization.

42221202040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66952 (or 66948 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 42221202040 its reverse (4020212224), we get a palindrome (46241414264).

The spelling of 42221202040 in words is "forty-two billion, two hundred twenty-one million, two hundred two thousand, forty".