426403314878 has 32 divisors (see below), whose sum is σ = 701285817600. Its totient is φ = 193546289664.

The previous prime is 426403314847. The next prime is 426403314881. The reversal of 426403314878 is 878413304624.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 766163 + ... + 1199921.

It is an arithmetic number, because the mean of its divisors is an integer number (21915181800).

Almost surely, 2^426403314878 is an apocalyptic number.

426403314878 is a deficient number, since it is larger than the sum of its proper divisors (274882502722).

426403314878 is a wasteful number, since it uses less digits than its factorization.

426403314878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434804.

The product of its (nonzero) digits is 3096576, while the sum is 50.

The spelling of 426403314878 in words is "four hundred twenty-six billion, four hundred three million, three hundred fourteen thousand, eight hundred seventy-eight".