32326385117440 has 144 divisors (see below), whose sum is σ = 79242279355008. Its totient is φ = 12628290060288.

The previous prime is 32326385117431. The next prime is 32326385117447. The reversal of 32326385117440 is 4471158362323.

It is a super-2 number, since 2×32326385117440² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32326385117447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 513877029 + ... + 513939931.

It is an arithmetic number, because the mean of its divisors is an integer number (550293606632).

Almost surely, 2^{32326385117440} 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 32326385117440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39621139677504).

32326385117440 is an abundant number, since it is smaller than the sum of its proper divisors (46915894237568).

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

32326385117440 is an equidigital number, since it uses as much as digits as its factorization.

32326385117440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72304 (or 72290 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 49.

The spelling of 32326385117440 in words is "thirty-two trillion, three hundred twenty-six billion, three hundred eighty-five million, one hundred seventeen thousand, four hundred forty".