42905509984 has 48 divisors (see below), whose sum is σ = 88937336880. Its totient is φ = 20318791680.

The previous prime is 42905509963. The next prime is 42905509991. The reversal of 42905509984 is 48990550924.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 4543732 + ... + 4553164.

It is an arithmetic number, because the mean of its divisors is an integer number (1852861185).

Almost surely, 2^42905509984 is an apocalyptic number.

It is an amenable number.

42905509984 is an abundant number, since it is smaller than the sum of its proper divisors (46031826896).

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

42905509984 is a wasteful number, since it uses less digits than its factorization.

42905509984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16943 (or 16935 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 55.

The spelling of 42905509984 in words is "forty-two billion, nine hundred five million, five hundred nine thousand, nine hundred eighty-four".