42851043478268 has 6 divisors (see below), whose sum is σ = 74989326086976. Its totient is φ = 21425521739132.

The previous prime is 42851043478237. The next prime is 42851043478343. The reversal of 42851043478268 is 86287434015824.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42851043478268.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5356380434780 + ... + 5356380434787.

It is an arithmetic number, because the mean of its divisors is an integer number (12498221014496).

Almost surely, 2^{42851043478268} is an apocalyptic number.

It is an amenable number.

42851043478268 is a deficient number, since it is larger than the sum of its proper divisors (32138282608708).

42851043478268 is a wasteful number, since it uses less digits than its factorization.

42851043478268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10712760869571 (or 10712760869569 counting only the distinct ones).

The product of its (nonzero) digits is 82575360, while the sum is 62.

The spelling of 42851043478268 in words is "forty-two trillion, eight hundred fifty-one billion, forty-three million, four hundred seventy-eight thousand, two hundred sixty-eight".