325501040 has 80 divisors (see below), whose sum is σ = 807617952. Its totient is φ = 121577472.

The previous prime is 325501039. The next prime is 325501069. The reversal of 325501040 is 40105523.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185447 + ... + 187193.

Almost surely, 2^325501040 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 325501040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (403808976).

325501040 is an abundant number, since it is smaller than the sum of its proper divisors (482116912).

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

325501040 is a wasteful number, since it uses less digits than its factorization.

325501040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914 (or 1908 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 325501040 is about 18041.6473748935. The cubic root of 325501040 is about 687.8875672592.

Adding to 325501040 its reverse (40105523), we get a palindrome (365606563).

The spelling of 325501040 in words is "three hundred twenty-five million, five hundred one thousand, forty".