42820412442 has 32 divisors (see below), whose sum is σ = 90480952320. Its totient is φ = 13472328240.

The previous prime is 42820412429. The next prime is 42820412491. The reversal of 42820412442 is 24421402824.

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, 662128 + ... + 723915.

It is an arithmetic number, because the mean of its divisors is an integer number (2827529760).

Almost surely, 2^42820412442 is an apocalyptic number.

42820412442 is an abundant number, since it is smaller than the sum of its proper divisors (47660539878).

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

42820412442 is a wasteful number, since it uses less digits than its factorization.

42820412442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386338.

The product of its (nonzero) digits is 32768, while the sum is 33.

The spelling of 42820412442 in words is "forty-two billion, eight hundred twenty million, four hundred twelve thousand, four hundred forty-two".