425337245424 has 800 divisors, whose sum is σ = 1573221974016. Its totient is φ = 107920926720.

The previous prime is 425337245423. The next prime is 425337245477. The reversal of 425337245424 is 424542733524.

It is a happy number.

425337245424 is a `hidden beast` number, since 4 + 2 + 5 + 33 + 72 + 4 + 542 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 425337245424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425337245423) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1158956889 + ... + 1158957255.

Almost surely, 2^425337245424 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 425337245424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (786610987008).

425337245424 is an abundant number, since it is smaller than the sum of its proper divisors (1147884728592).

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

425337245424 is a wasteful number, since it uses less digits than its factorization.

425337245424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755 (or 740 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 45.

Adding to 425337245424 its reverse (424542733524), we get a palindrome (849879978948).

It can be divided in two parts, 425337 and 245424, that added together give a square (670761 = 819²).

The spelling of 425337245424 in words is "four hundred twenty-five billion, three hundred thirty-seven million, two hundred forty-five thousand, four hundred twenty-four".