43477940918 has 16 divisors (see below), whose sum is σ = 67480086960. Its totient is φ = 20984896800.

The previous prime is 43477940887. The next prime is 43477940953. The reversal of 43477940918 is 81904977434.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204833 + ... + 359043.

It is an arithmetic number, because the mean of its divisors is an integer number (4217505435).

Almost surely, 2^43477940918 is an apocalyptic number.

43477940918 is a deficient number, since it is larger than the sum of its proper divisors (24002146042).

43477940918 is a wasteful number, since it uses less digits than its factorization.

43477940918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159103.

The product of its (nonzero) digits is 6096384, while the sum is 56.

The spelling of 43477940918 in words is "forty-three billion, four hundred seventy-seven million, nine hundred forty thousand, nine hundred eighteen".