3275865815040 has 4608 divisors, whose sum is σ = 16443410780160. Its totient is φ = 605414227968.

The previous prime is 3275865815021. The next prime is 3275865815041. The reversal of 3275865815040 is 405185685723.

3275865815040 is a `hidden beast` number, since 3 + 2 + 7 + 5 + 8 + 6 + 581 + 50 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (4608).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3275865815041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 88536913902 + ... + 88536913938.

It is an arithmetic number, because the mean of its divisors is an integer number (3568448520).

Almost surely, 2^{3275865815040} is an apocalyptic number.

3275865815040 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 3275865815040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8221705390080).

3275865815040 is an abundant number, since it is smaller than the sum of its proper divisors (13167544965120).

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

3275865815040 is a wasteful number, since it uses less digits than its factorization.

3275865815040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 54.

The spelling of 3275865815040 in words is "three trillion, two hundred seventy-five billion, eight hundred sixty-five million, eight hundred fifteen thousand, forty".