42861672908 has 24 divisors (see below), whose sum is σ = 78737847552. Its totient is φ = 20376304784.

The previous prime is 42861672881. The next prime is 42861672961. The reversal of 42861672908 is 80927616824.

It is a self number, because there is not a number n which added to its sum of digits gives 42861672908.

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 7 ways as a sum of consecutive naturals, for example, 1379510 + ... + 1410237.

It is an arithmetic number, because the mean of its divisors is an integer number (3280743648).

Almost surely, 2^42861672908 is an apocalyptic number.

It is an amenable number.

42861672908 is a deficient number, since it is larger than the sum of its proper divisors (35876174644).

42861672908 is a wasteful number, since it uses less digits than its factorization.

42861672908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2789941 (or 2789939 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 42861672908 in words is "forty-two billion, eight hundred sixty-one million, six hundred seventy-two thousand, nine hundred eight".