3955880320 has 128 divisors (see below), whose sum is σ = 10908532800. Its totient is φ = 1343692800.

The previous prime is 3955880273. The next prime is 3955880353. The reversal of 3955880320 is 230885593.

3955880320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484270 + ... + 492370.

Almost surely, 2^3955880320 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 3955880320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5454266400).

3955880320 is an abundant number, since it is smaller than the sum of its proper divisors (6952652480).

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

3955880320 is a wasteful number, since it uses less digits than its factorization.

3955880320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8236 (or 8224 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 3955880320 is about 62895.7893662207. The cubic root of 3955880320 is about 1581.5431593188.

The spelling of 3955880320 in words is "three billion, nine hundred fifty-five million, eight hundred eighty thousand, three hundred twenty".