425555320 has 16 divisors (see below), whose sum is σ = 957499560. Its totient is φ = 170222112.

The previous prime is 425555239. The next prime is 425555341. The reversal of 425555320 is 23555524.

It is a happy number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 5319402 + ... + 5319481.

Almost surely, 2^425555320 is an apocalyptic number.

425555320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425555320 is an abundant number, since it is smaller than the sum of its proper divisors (531944240).

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

425555320 is a wasteful number, since it uses less digits than its factorization.

425555320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10638894 (or 10638890 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 425555320 is about 20628.9922196893. The cubic root of 425555320 is about 752.1746189860.

The spelling of 425555320 in words is "four hundred twenty-five million, five hundred fifty-five thousand, three hundred twenty".