42785864184 has 64 divisors (see below), whose sum is σ = 122418086400. Its totient is φ = 12207256704.

The previous prime is 42785864161. The next prime is 42785864189. The reversal of 42785864184 is 48146858724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42785864189) 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, 60492 + ... + 298715.

It is an arithmetic number, because the mean of its divisors is an integer number (1912782600).

Almost surely, 2^42785864184 is an apocalyptic number.

It is an amenable number.

42785864184 is an abundant number, since it is smaller than the sum of its proper divisors (79632222216).

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

42785864184 is a wasteful number, since it uses less digits than its factorization.

42785864184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359932 (or 359928 counting only the distinct ones).

The product of its digits is 13762560, while the sum is 57.

The spelling of 42785864184 in words is "forty-two billion, seven hundred eighty-five million, eight hundred sixty-four thousand, one hundred eighty-four".