3275185440 has 96 divisors (see below), whose sum is σ = 10334592576. Its totient is φ = 871879680.

The previous prime is 3275185399. The next prime is 3275185447. The reversal of 3275185440 is 445815723.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (3275185447) 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, 288675 + ... + 299805.

It is an arithmetic number, because the mean of its divisors is an integer number (107652006).

Almost surely, 2^3275185440 is an apocalyptic number.

3275185440 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 3275185440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5167296288).

3275185440 is an abundant number, since it is smaller than the sum of its proper divisors (7059407136).

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

3275185440 is a wasteful number, since it uses less digits than its factorization.

3275185440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11762 (or 11754 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 3275185440 is about 57229.2358851662. The cubic root of 3275185440 is about 1485.0644373404.

The spelling of 3275185440 in words is "three billion, two hundred seventy-five million, one hundred eighty-five thousand, four hundred forty".