3840138633445 has 64 divisors (see below), whose sum is σ = 5017283251200. Its totient is φ = 2812105175040.

The previous prime is 3840138633439. The next prime is 3840138633451. The reversal of 3840138633445 is 5443368310483.

3840138633445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3840138633439) and next prime (3840138633451).

It is not a de Polignac number, because 3840138633445 - 2³ = 3840138633437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3840138633392 and 3840138633401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 141110890 + ... + 141138100.

It is an arithmetic number, because the mean of its divisors is an integer number (78395050800).

Almost surely, 2^{3840138633445} is an apocalyptic number.

It is an amenable number.

3840138633445 is a deficient number, since it is larger than the sum of its proper divisors (1177144617755).

3840138633445 is a wasteful number, since it uses less digits than its factorization.

3840138633445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27650.

The product of its (nonzero) digits is 9953280, while the sum is 52.

The spelling of 3840138633445 in words is "three trillion, eight hundred forty billion, one hundred thirty-eight million, six hundred thirty-three thousand, four hundred forty-five".