325120046255440 has 40 divisors (see below), whose sum is σ = 756373905299880. Its totient is φ = 129967193081856.

The previous prime is 325120046255423. The next prime is 325120046255489. The reversal of 325120046255440 is 44552640021523.

It can be written as a sum of positive squares in 4 ways, for example, as 183026589527824 + 142093456727616 = 13528732^2 + 11920296^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1262767669 + ... + 1263025108.

It is an arithmetic number, because the mean of its divisors is an integer number (18909347632497).

Almost surely, 2^{325120046255440} is an apocalyptic number.

It is an amenable number.

325120046255440 is an abundant number, since it is smaller than the sum of its proper divisors (431253859044440).

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

325120046255440 is a wasteful number, since it uses less digits than its factorization.

325120046255440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525794399 (or 2525794393 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 43.

Adding to 325120046255440 its reverse (44552640021523), we get a palindrome (369672686276963).

The spelling of 325120046255440 in words is "three hundred twenty-five trillion, one hundred twenty billion, forty-six million, two hundred fifty-five thousand, four hundred forty".