851851008426 has 32 divisors (see below), whose sum is σ = 1859313528000. Its totient is φ = 258035348480.

The previous prime is 851851008391. The next prime is 851851008439. The reversal of 851851008426 is 624800158158.

851851008426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2363511 + ... + 2699978.

It is an arithmetic number, because the mean of its divisors is an integer number (58103547750).

Almost surely, 2^851851008426 is an apocalyptic number.

851851008426 is an abundant number, since it is smaller than the sum of its proper divisors (1007462519574).

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

851851008426 is a wasteful number, since it uses less digits than its factorization.

851851008426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5066054.

The product of its (nonzero) digits is 614400, while the sum is 48.

The spelling of 851851008426 in words is "eight hundred fifty-one billion, eight hundred fifty-one million, eight thousand, four hundred twenty-six".