42185912320 has 52 divisors (see below), whose sum is σ = 101233879560. Its totient is φ = 16874356736.

The previous prime is 42185912303. The next prime is 42185912333. The reversal of 42185912320 is 2321958124.

It is a self number, because there is not a number n which added to its sum of digits gives 42185912320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1009450 + ... + 1050409.

Almost surely, 2^42185912320 is an apocalyptic number.

42185912320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42185912320 is an abundant number, since it is smaller than the sum of its proper divisors (59047967240).

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

42185912320 is an equidigital number, since it uses as much as digits as its factorization.

42185912320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2059888 (or 2059866 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 42185912320 in words is "forty-two billion, one hundred eighty-five million, nine hundred twelve thousand, three hundred twenty".