425432310045340 has 192 divisors, whose sum is σ = 975088114108416. Its totient is φ = 154979661523968.

The previous prime is 425432310045313. The next prime is 425432310045377. The reversal of 425432310045340 is 43540013234524.

It is a junction number, because it is equal to n+sod(n) for n = 425432310045293 and 425432310045302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39019742329 + ... + 39019753231.

It is an arithmetic number, because the mean of its divisors is an integer number (5078583927648).

Almost surely, 2^{425432310045340} 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 425432310045340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (487544057054208).

425432310045340 is an abundant number, since it is smaller than the sum of its proper divisors (549655804063076).

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

425432310045340 is a wasteful number, since it uses less digits than its factorization.

425432310045340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16628 (or 16626 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 40.

Adding to 425432310045340 its reverse (43540013234524), we get a palindrome (468972323279864).

The spelling of 425432310045340 in words is "four hundred twenty-five trillion, four hundred thirty-two billion, three hundred ten million, forty-five thousand, three hundred forty".