102426404478 has 32 divisors (see below), whose sum is σ = 214469942400. Its totient is φ = 32567648736.

The previous prime is 102426404477. The next prime is 102426404527. The reversal of 102426404478 is 874404624201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102426404473) by changing a digit.

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, 3531688 + ... + 3560571.

It is an arithmetic number, because the mean of its divisors is an integer number (6702185700).

Almost surely, 2^102426404478 is an apocalyptic number.

102426404478 is an abundant number, since it is smaller than the sum of its proper divisors (112043537922).

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

102426404478 is a wasteful number, since it uses less digits than its factorization.

102426404478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7092376.

The product of its (nonzero) digits is 344064, while the sum is 42.

The spelling of 102426404478 in words is "one hundred two billion, four hundred twenty-six million, four hundred four thousand, four hundred seventy-eight".