425221300000 has 288 divisors, whose sum is σ = 1198970760960. Its totient is φ = 145411200000.

The previous prime is 425221299991. The next prime is 425221300013. The reversal of 425221300000 is 3122524.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 462699541 + ... + 462700459.

It is an arithmetic number, because the mean of its divisors is an integer number (4163092920).

Almost surely, 2^425221300000 is an apocalyptic number.

425221300000 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 425221300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (599485380480).

425221300000 is an abundant number, since it is smaller than the sum of its proper divisors (773749460960).

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

425221300000 is an frugal number, since it uses more digits than its factorization.

425221300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622 (or 1594 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 425221300000 its reverse (3122524), we get a palindrome (425224422524).

The spelling of 425221300000 in words is "four hundred twenty-five billion, two hundred twenty-one million, three hundred thousand".