42784376384 has 28 divisors (see below), whose sum is σ = 85032366384. Its totient is φ = 21358898304.

The previous prime is 42784376347. The next prime is 42784376399. The reversal of 42784376384 is 48367348724.

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, 478682 + ... + 560985.

It is an arithmetic number, because the mean of its divisors is an integer number (3036870228).

Almost surely, 2^42784376384 is an apocalyptic number.

It is an amenable number.

42784376384 is a deficient number, since it is larger than the sum of its proper divisors (42247990000).

42784376384 is a wasteful number, since it uses less digits than its factorization.

42784376384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040322 (or 1040312 counting only the distinct ones).

The product of its digits is 21676032, while the sum is 56.

The spelling of 42784376384 in words is "forty-two billion, seven hundred eighty-four million, three hundred seventy-six thousand, three hundred eighty-four".