442869379530 has 128 divisors (see below), whose sum is σ = 1116560505600. Its totient is φ = 112303263744.

The previous prime is 442869379501. The next prime is 442869379549. The reversal of 442869379530 is 35973968244.

It is a super-2 number, since 2×442869379530² (a number of 24 digits) contains 22 as substring.

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 63 ways as a sum of consecutive naturals, for example, 11310226 + ... + 11349314.

It is an arithmetic number, because the mean of its divisors is an integer number (8723128950).

Almost surely, 2^442869379530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442869379530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558280252800).

442869379530 is an abundant number, since it is smaller than the sum of its proper divisors (673691126070).

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

442869379530 is a wasteful number, since it uses less digits than its factorization.

442869379530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39368.

The product of its (nonzero) digits is 39191040, while the sum is 60.

The spelling of 442869379530 in words is "four hundred forty-two billion, eight hundred sixty-nine million, three hundred seventy-nine thousand, five hundred thirty".