4191690044 has 12 divisors (see below), whose sum is σ = 7588404600. Its totient is φ = 2023574448.

The previous prime is 4191690043. The next prime is 4191690067. The reversal of 4191690044 is 4400961914.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4191690043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18067514 + ... + 18067745.

It is an arithmetic number, because the mean of its divisors is an integer number (632367050).

Almost surely, 2^4191690044 is an apocalyptic number.

It is an amenable number.

4191690044 is a deficient number, since it is larger than the sum of its proper divisors (3396714556).

4191690044 is a wasteful number, since it uses less digits than its factorization.

4191690044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36135292 (or 36135290 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 4191690044 is about 64743.2625375027. The cubic root of 4191690044 is about 1612.3638544910.

The spelling of 4191690044 in words is "four billion, one hundred ninety-one million, six hundred ninety thousand, forty-four".