425226374452 has 12 divisors (see below), whose sum is σ = 811795805856. Its totient is φ = 193284715640.

The previous prime is 425226374449. The next prime is 425226374471. The reversal of 425226374452 is 254473622524.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4832117848 + ... + 4832117935.

It is an arithmetic number, because the mean of its divisors is an integer number (67649650488).

Almost surely, 2^425226374452 is an apocalyptic number.

It is an amenable number.

425226374452 is a deficient number, since it is larger than the sum of its proper divisors (386569431404).

425226374452 is a wasteful number, since it uses less digits than its factorization.

425226374452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9664235798 (or 9664235796 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 46.

Adding to 425226374452 its reverse (254473622524), we get a palindrome (679699996976).

The spelling of 425226374452 in words is "four hundred twenty-five billion, two hundred twenty-six million, three hundred seventy-four thousand, four hundred fifty-two".