4063391844 has 12 divisors (see below), whose sum is σ = 9481247664. Its totient is φ = 1354463944.

The previous prime is 4063391819. The next prime is 4063391923. The reversal of 4063391844 is 4481933604.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×4063391844² = 33022306555771440672, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4063391796 and 4063391805.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169307982 + ... + 169308005.

It is an arithmetic number, because the mean of its divisors is an integer number (790103972).

Almost surely, 2^4063391844 is an apocalyptic number.

It is an amenable number.

4063391844 is an abundant number, since it is smaller than the sum of its proper divisors (5417855820).

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

4063391844 is a wasteful number, since it uses less digits than its factorization.

4063391844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338615994 (or 338615992 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 4063391844 is about 63744.7397359186. The cubic root of 4063391844 is about 1595.7428292109.

The spelling of 4063391844 in words is "four billion, sixty-three million, three hundred ninety-one thousand, eight hundred forty-four".