43477311906 has 48 divisors (see below), whose sum is σ = 113324328000. Its totient is φ = 11768294304.

The previous prime is 43477311859. The next prime is 43477311971. The reversal of 43477311906 is 60911377434.

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 23 ways as a sum of consecutive naturals, for example, 9078081 + ... + 9082868.

It is an arithmetic number, because the mean of its divisors is an integer number (2360923500).

Almost surely, 2^43477311906 is an apocalyptic number.

43477311906 is an abundant number, since it is smaller than the sum of its proper divisors (69847016094).

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

43477311906 is a wasteful number, since it uses less digits than its factorization.

43477311906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18160983 (or 18160980 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The spelling of 43477311906 in words is "forty-three billion, four hundred seventy-seven million, three hundred eleven thousand, nine hundred six".