42448833537 has 32 divisors (see below), whose sum is σ = 64091326464. Its totient is φ = 24766363200.

The previous prime is 42448833529. The next prime is 42448833547. The reversal of 42448833537 is 73533884424.

It is not a de Polignac number, because 42448833537 - 2³ = 42448833529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42448833537.

It is not an unprimeable number, because it can be changed into a prime (42448833547) 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, 129723 + ... + 318944.

It is an arithmetic number, because the mean of its divisors is an integer number (2002853952).

Almost surely, 2^42448833537 is an apocalyptic number.

42448833537 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

42448833537 is a deficient number, since it is larger than the sum of its proper divisors (21642492927).

42448833537 is a wasteful number, since it uses less digits than its factorization.

42448833537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448789.

The product of its digits is 7741440, while the sum is 51.

The spelling of 42448833537 in words is "forty-two billion, four hundred forty-eight million, eight hundred thirty-three thousand, five hundred thirty-seven".