42442891320 has 64 divisors (see below), whose sum is σ = 127346048640. Its totient is φ = 11316560000.

The previous prime is 42442891297. The next prime is 42442891321. The reversal of 42442891320 is 2319824424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42442891321) 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, 1061695 + ... + 1100945.

It is an arithmetic number, because the mean of its divisors is an integer number (1989782010).

Almost surely, 2^42442891320 is an apocalyptic number.

42442891320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42442891320 is an abundant number, since it is smaller than the sum of its proper divisors (84903157320).

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

42442891320 is a wasteful number, since it uses less digits than its factorization.

42442891320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48276 (or 48272 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 42442891320 in words is "forty-two billion, four hundred forty-two million, eight hundred ninety-one thousand, three hundred twenty".