672277944440 has 32 divisors (see below), whose sum is σ = 1515517631280. Its totient is φ = 268396998912.

The previous prime is 672277944439. The next prime is 672277944451. The reversal of 672277944440 is 44449772276.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16046909 + ... + 16088748.

Almost surely, 2^672277944440 is an apocalyptic number.

It is an amenable number.

672277944440 is an abundant number, since it is smaller than the sum of its proper divisors (843239686840).

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

672277944440 is a wasteful number, since it uses less digits than its factorization.

672277944440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32136191 (or 32136187 counting only the distinct ones).

The product of its (nonzero) digits is 18966528, while the sum is 56.

The spelling of 672277944440 in words is "six hundred seventy-two billion, two hundred seventy-seven million, nine hundred forty-four thousand, four hundred forty".