43779834406 has 32 divisors (see below), whose sum is σ = 83027151360. Its totient is φ = 16816833600.

The previous prime is 43779834359. The next prime is 43779834421. The reversal of 43779834406 is 60443897734.

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, 1991071 + ... + 2012938.

It is an arithmetic number, because the mean of its divisors is an integer number (2594598480).

Almost surely, 2^43779834406 is an apocalyptic number.

43779834406 is a deficient number, since it is larger than the sum of its proper divisors (39247316954).

43779834406 is a wasteful number, since it uses less digits than its factorization.

43779834406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4004100.

The product of its (nonzero) digits is 12192768, while the sum is 55.

The spelling of 43779834406 in words is "forty-three billion, seven hundred seventy-nine million, eight hundred thirty-four thousand, four hundred six".