425445415452 has 72 divisors (see below), whose sum is σ = 1098856938816. Its totient is φ = 138729055104.

The previous prime is 425445415261. The next prime is 425445415459. The reversal of 425445415452 is 254514544524.

425445415452 is a `hidden beast` number, since 4 + 2 + 5 + 4 + 4 + 541 + 54 + 52 = 666.

It is a super-3 number, since 3×425445415452³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 425445415398 and 425445415407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425445415459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3412438 + ... + 3534914.

It is an arithmetic number, because the mean of its divisors is an integer number (15261901928).

Almost surely, 2^425445415452 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 425445415452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (549428469408).

425445415452 is an abundant number, since it is smaller than the sum of its proper divisors (673411523364).

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

425445415452 is a wasteful number, since it uses less digits than its factorization.

425445415452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124587 (or 124582 counting only the distinct ones).

The product of its digits is 2560000, while the sum is 45.

Adding to 425445415452 its reverse (254514544524), we get a palindrome (679959959976).

The spelling of 425445415452 in words is "four hundred twenty-five billion, four hundred forty-five million, four hundred fifteen thousand, four hundred fifty-two".