3918865260 has 24 divisors (see below), whose sum is σ = 10972822896. Its totient is φ = 1045030720.

The previous prime is 3918865187. The next prime is 3918865277. The reversal of 3918865260 is 625688193.

It is a happy number.

3918865260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32657151 + ... + 32657270.

It is an arithmetic number, because the mean of its divisors is an integer number (457200954).

Almost surely, 2^3918865260 is an apocalyptic number.

3918865260 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3918865260 is an abundant number, since it is smaller than the sum of its proper divisors (7053957636).

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

3918865260 is a wasteful number, since it uses less digits than its factorization.

3918865260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65314433 (or 65314431 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 3918865260 is about 62600.8407291787. The cubic root of 3918865260 is about 1576.5948752573.

The spelling of 3918865260 in words is "three billion, nine hundred eighteen million, eight hundred sixty-five thousand, two hundred sixty".