425672520 has 256 divisors, whose sum is σ = 1664893440. Its totient is φ = 84492288.

The previous prime is 425672519. The next prime is 425672539. The reversal of 425672520 is 25276524.

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 63 ways as a sum of consecutive naturals, for example, 184494 + ... + 186786.

It is an arithmetic number, because the mean of its divisors is an integer number (6503490).

Almost surely, 2^425672520 is an apocalyptic number.

425672520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425672520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (832446720).

425672520 is an abundant number, since it is smaller than the sum of its proper divisors (1239220920).

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

425672520 is a wasteful number, since it uses less digits than its factorization.

425672520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344 (or 2340 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 425672520 is about 20631.8326864096. The cubic root of 425672520 is about 752.2436634946.

The spelling of 425672520 in words is "four hundred twenty-five million, six hundred seventy-two thousand, five hundred twenty".