42505383846 has 32 divisors (see below), whose sum is σ = 88124371200. Its totient is φ = 13656685536.

The previous prime is 42505383779. The next prime is 42505383859. The reversal of 42505383846 is 64838350524.

It is a junction number, because it is equal to n+sod(n) for n = 42505383795 and 42505383804.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 870946 + ... + 918453.

It is an arithmetic number, because the mean of its divisors is an integer number (2753886600).

Almost surely, 2^42505383846 is an apocalyptic number.

42505383846 is an abundant number, since it is smaller than the sum of its proper divisors (45618987354).

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

42505383846 is a wasteful number, since it uses less digits than its factorization.

42505383846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789548.

The product of its (nonzero) digits is 2764800, while the sum is 48.

The spelling of 42505383846 in words is "forty-two billion, five hundred five million, three hundred eighty-three thousand, eight hundred forty-six".