426287725728 has 48 divisors (see below), whose sum is σ = 1123359451200. Its totient is φ = 141542998016.

The previous prime is 426287725627. The next prime is 426287725739. The reversal of 426287725728 is 827527782624.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8614428 + ... + 8663771.

It is an arithmetic number, because the mean of its divisors is an integer number (23403321900).

Almost surely, 2^426287725728 is an apocalyptic number.

426287725728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

426287725728 is an abundant number, since it is smaller than the sum of its proper divisors (697071725472).

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

426287725728 is a wasteful number, since it uses less digits than its factorization.

426287725728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17278469 (or 17278461 counting only the distinct ones).

The product of its digits is 42147840, while the sum is 60.

The spelling of 426287725728 in words is "four hundred twenty-six billion, two hundred eighty-seven million, seven hundred twenty-five thousand, seven hundred twenty-eight".