425702404128 has 24 divisors (see below), whose sum is σ = 1117468811088. Its totient is φ = 141900801344.

The previous prime is 425702404121. The next prime is 425702404177. The reversal of 425702404128 is 821404207524.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (425702404121) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2217199926 + ... + 2217200117.

It is an arithmetic number, because the mean of its divisors is an integer number (46561200462).

Almost surely, 2^425702404128 is an apocalyptic number.

425702404128 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

425702404128 is an abundant number, since it is smaller than the sum of its proper divisors (691766406960).

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

425702404128 is a wasteful number, since it uses less digits than its factorization.

425702404128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4434400056 (or 4434400048 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 39.

The spelling of 425702404128 in words is "four hundred twenty-five billion, seven hundred two million, four hundred four thousand, one hundred twenty-eight".