3245121030400 has 108 divisors (see below), whose sum is σ = 8033363956800. Its totient is φ = 1297857341440.

The previous prime is 3245121030373. The next prime is 3245121030407. The reversal of 3245121030400 is 40301215423.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (3245121030407) 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, 48344061 + ... + 48411139.

It is an arithmetic number, because the mean of its divisors is an integer number (74382999600).

Almost surely, 2^{3245121030400} 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 3245121030400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4016681978400).

3245121030400 is an abundant number, since it is smaller than the sum of its proper divisors (4788242926400).

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

3245121030400 is an equidigital number, since it uses as much as digits as its factorization.

3245121030400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74664 (or 74645 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 3245121030400 its reverse (40301215423), we get a palindrome (3285422245823).

The spelling of 3245121030400 in words is "three trillion, two hundred forty-five billion, one hundred twenty-one million, thirty thousand, four hundred".