3840995478 has 32 divisors (see below), whose sum is σ = 7798830336. Its totient is φ = 1260998048.

The previous prime is 3840995441. The next prime is 3840995503. The reversal of 3840995478 is 8745990483.

3840995478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 93775 + ... + 128357.

It is an arithmetic number, because the mean of its divisors is an integer number (243713448).

Almost surely, 2^3840995478 is an apocalyptic number.

3840995478 is an abundant number, since it is smaller than the sum of its proper divisors (3957834858).

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

3840995478 is a wasteful number, since it uses less digits than its factorization.

3840995478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34868.

The product of its (nonzero) digits is 8709120, while the sum is 57.

The square root of 3840995478 is about 61975.7652473933. The cubic root of 3840995478 is about 1566.0823629916.

The spelling of 3840995478 in words is "three billion, eight hundred forty million, nine hundred ninety-five thousand, four hundred seventy-eight".