325031426040 has 128 divisors (see below), whose sum is σ = 1030410720000. Its totient is φ = 81793548288.

The previous prime is 325031425987. The next prime is 325031426047. The reversal of 325031426040 is 40624130523.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 325031425989 and 325031426007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325031426047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 308611 + ... + 863309.

It is an arithmetic number, because the mean of its divisors is an integer number (8050083750).

Almost surely, 2^325031426040 is an apocalyptic number.

325031426040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325031426040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (515205360000).

325031426040 is an abundant number, since it is smaller than the sum of its proper divisors (705379293960).

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

325031426040 is a wasteful number, since it uses less digits than its factorization.

325031426040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554989 (or 554985 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 325031426040 its reverse (40624130523), we get a palindrome (365655556563).

The spelling of 325031426040 in words is "three hundred twenty-five billion, thirty-one million, four hundred twenty-six thousand, forty".