80418644 has 12 divisors (see below), whose sum is σ = 140817600. Its totient is φ = 40185048.

The previous prime is 80418631. The next prime is 80418677. The reversal of 80418644 is 44681408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2837 + ... + 12995.

It is an arithmetic number, because the mean of its divisors is an integer number (11734800).

Almost surely, 2^80418644 is an apocalyptic number.

It is an amenable number.

80418644 is a deficient number, since it is larger than the sum of its proper divisors (60398956).

80418644 is a wasteful number, since it uses less digits than its factorization.

80418644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12142 (or 12140 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 80418644 is about 8967.6442837570. The cubic root of 80418644 is about 431.6372483509.

The spelling of 80418644 in words is "eighty million, four hundred eighteen thousand, six hundred forty-four".