3870380256 has 96 divisors (see below), whose sum is σ = 11039616000. Its totient is φ = 1182781440.

The previous prime is 3870380251. The next prime is 3870380263. The reversal of 3870380256 is 6520830783.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3870380251) 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, 22320 + ... + 90768.

It is an arithmetic number, because the mean of its divisors is an integer number (114996000).

Almost surely, 2^3870380256 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 3870380256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5519808000).

3870380256 is an abundant number, since it is smaller than the sum of its proper divisors (7169235744).

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

3870380256 is a wasteful number, since it uses less digits than its factorization.

3870380256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68512 (or 68504 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 3870380256 is about 62212.3802470216. The cubic root of 3870380256 is about 1570.0658898334.

It can be divided in two parts, 3870 and 380256, that added together give a triangular number (384126 = T₈₇₆).

The spelling of 3870380256 in words is "three billion, eight hundred seventy million, three hundred eighty thousand, two hundred fifty-six".