325513442400 has 72 divisors (see below), whose sum is σ = 1059546262824. Its totient is φ = 86803584000.

The previous prime is 325513442383. The next prime is 325513442407. The reversal of 325513442400 is 4244315523.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325513442407) 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, 67812901 + ... + 67817700.

It is an arithmetic number, because the mean of its divisors is an integer number (14715920317).

Almost surely, 2^325513442400 is an apocalyptic number.

325513442400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

325513442400 is an abundant number, since it is smaller than the sum of its proper divisors (734032820424).

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

325513442400 is a wasteful number, since it uses less digits than its factorization.

325513442400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135630624 (or 135630611 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 325513442400 its reverse (4244315523), we get a palindrome (329757757923).

The spelling of 325513442400 in words is "three hundred twenty-five billion, five hundred thirteen million, four hundred forty-two thousand, four hundred".