325557151371840 has 448 divisors, whose sum is σ = 1074041119457280. Its totient is φ = 83459589857280.

The previous prime is 325557151371761. The next prime is 325557151371973. The reversal of 325557151371840 is 48173151755523.

It is a super-3 number, since 3×325557151371840³ (a number of 45 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36831894141 + ... + 36831902979.

Almost surely, 2^{325557151371840} is an apocalyptic number.

325557151371840 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 325557151371840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (537020559728640).

325557151371840 is an abundant number, since it is smaller than the sum of its proper divisors (748483968085440).

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

325557151371840 is a wasteful number, since it uses less digits than its factorization.

325557151371840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16930 (or 16920 counting only the distinct ones).

The product of its (nonzero) digits is 17640000, while the sum is 57.

The spelling of 325557151371840 in words is "three hundred twenty-five trillion, five hundred fifty-seven billion, one hundred fifty-one million, three hundred seventy-one thousand, eight hundred forty".