3255707520 has 320 divisors, whose sum is σ = 12523674240. Its totient is φ = 801239040.

The previous prime is 3255707489. The next prime is 3255707563. The reversal of 3255707520 is 257075523.

It is a happy number.

3255707520 is a `hidden beast` number, since 32 + 5 + 570 + 7 + 52 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 671505 + ... + 676335.

It is an arithmetic number, because the mean of its divisors is an integer number (39136482).

Almost surely, 2^3255707520 is an apocalyptic number.

3255707520 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 3255707520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6261837120).

3255707520 is an abundant number, since it is smaller than the sum of its proper divisors (9267966720).

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

3255707520 is a wasteful number, since it uses less digits than its factorization.

3255707520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4875 (or 4854 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 36.

The square root of 3255707520 is about 57058.8075585181. The cubic root of 3255707520 is about 1482.1146299571.

The spelling of 3255707520 in words is "three billion, two hundred fifty-five million, seven hundred seven thousand, five hundred twenty".