325727697240 has 480 divisors, whose sum is σ = 1205188686000. Its totient is φ = 76205606400.

The previous prime is 325727697223. The next prime is 325727697257. The reversal of 325727697240 is 42796727523.

It is a happy number.

325727697240 is a `hidden beast` number, since 3 + 2 + 572 + 7 + 69 + 7 + 2 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (325727697223) and next prime (325727697257).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 152850975 + ... + 152853105.

Almost surely, 2^325727697240 is an apocalyptic number.

325727697240 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 325727697240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (602594343000).

325727697240 is an abundant number, since it is smaller than the sum of its proper divisors (879460988760).

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

325727697240 is a wasteful number, since it uses less digits than its factorization.

325727697240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221 (or 2181 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 54.

The spelling of 325727697240 in words is "three hundred twenty-five billion, seven hundred twenty-seven million, six hundred ninety-seven thousand, two hundred forty".