42851020741278 has 32 divisors (see below), whose sum is σ = 86328447089184. Its totient is φ = 14179274683392.

The previous prime is 42851020741219. The next prime is 42851020741289. The reversal of 42851020741278 is 87214702015824.

It is a super-2 number, since 2×42851020741278² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42851020741278.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116488576 + ... + 116855852.

It is an arithmetic number, because the mean of its divisors is an integer number (2697763971537).

Almost surely, 2^{42851020741278} is an apocalyptic number.

42851020741278 is an abundant number, since it is smaller than the sum of its proper divisors (43477426347906).

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

42851020741278 is a wasteful number, since it uses less digits than its factorization.

42851020741278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509356.

The product of its (nonzero) digits is 2007040, while the sum is 51.

The spelling of 42851020741278 in words is "forty-two trillion, eight hundred fifty-one billion, twenty million, seven hundred forty-one thousand, two hundred seventy-eight".