436668443964 has 30 divisors (see below), whose sum is σ = 1141537568864. Its totient is φ = 145556147880.

The previous prime is 436668443963. The next prime is 436668443987. The reversal of 436668443964 is 469344866634.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (436668443963) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 673870732 + ... + 673871379.

Almost surely, 2^436668443964 is an apocalyptic number.

It is an amenable number.

436668443964 is an abundant number, since it is smaller than the sum of its proper divisors (704869124900).

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

436668443964 is a wasteful number, since it uses less digits than its factorization.

436668443964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347742127 (or 1347742116 counting only the distinct ones).

The product of its digits is 214990848, while the sum is 63.

The spelling of 436668443964 in words is "four hundred thirty-six billion, six hundred sixty-eight million, four hundred forty-three thousand, nine hundred sixty-four".