425275071220 has 96 divisors (see below), whose sum is σ = 949227890688. Its totient is φ = 159492329472.

The previous prime is 425275071217. The next prime is 425275071257. The reversal of 425275071220 is 22170572524.

It is a self number, because there is not a number n which added to its sum of digits gives 425275071220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197525664 + ... + 197527816.

It is an arithmetic number, because the mean of its divisors is an integer number (9887790528).

Almost surely, 2^425275071220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425275071220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (474613945344).

425275071220 is an abundant number, since it is smaller than the sum of its proper divisors (523952819468).

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

425275071220 is a wasteful number, since it uses less digits than its factorization.

425275071220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4129 (or 4127 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 37.

The spelling of 425275071220 in words is "four hundred twenty-five billion, two hundred seventy-five million, seventy-one thousand, two hundred twenty".