3944154844 has 18 divisors (see below), whose sum is σ = 8029172760. Its totient is φ = 1690351992.

The previous prime is 3944154827. The next prime is 3944154857. The reversal of 3944154844 is 4484514493.

It is a super-3 number, since 3×3944154844³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3944154794 and 3944154803.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10061424 + ... + 10061815.

Almost surely, 2^3944154844 is an apocalyptic number.

It is an amenable number.

3944154844 is an abundant number, since it is smaller than the sum of its proper divisors (4085017916).

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

3944154844 is a wasteful number, since it uses less digits than its factorization.

3944154844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20123257 (or 20123248 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 46.

The square root of 3944154844 is about 62802.5066697182. The cubic root of 3944154844 is about 1579.9790153705.

The spelling of 3944154844 in words is "three billion, nine hundred forty-four million, one hundred fifty-four thousand, eight hundred forty-four".