325305542440400 has 60 divisors (see below), whose sum is σ = 781721922603372. Its totient is φ = 130093021240320.

The previous prime is 325305542440393. The next prime is 325305542440409. The reversal of 325305542440400 is 4044245503523.

It can be written as a sum of positive squares in 6 ways, for example, as 42651035162176 + 282654507278224 = 6530776^2 + 16812332^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325305542440409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89451647 + ... + 93017246.

Almost surely, 2^{325305542440400} is an apocalyptic number.

It is an amenable number.

325305542440400 is an abundant number, since it is smaller than the sum of its proper divisors (456416380162972).

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

325305542440400 is a wasteful number, since it uses less digits than its factorization.

325305542440400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182473368 (or 182473357 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 41.

Adding to 325305542440400 its reverse (4044245503523), we get a palindrome (329349787943923).

The spelling of 325305542440400 in words is "three hundred twenty-five trillion, three hundred five billion, five hundred forty-two million, four hundred forty thousand, four hundred".