80268644 has 12 divisors (see below), whose sum is σ = 140551404. Its totient is φ = 40111104.

The previous prime is 80268637. The next prime is 80268647. The reversal of 80268644 is 44686208.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1236544 + 79032100 = 1112^2 + 8890^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 80268598 and 80268607.

It is not an unprimeable number, because it can be changed into a prime (80268647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3704 + ... + 13200.

It is an arithmetic number, because the mean of its divisors is an integer number (11712617).

Almost surely, 2^80268644 is an apocalyptic number.

It is an amenable number.

80268644 is a deficient number, since it is larger than the sum of its proper divisors (60282760).

80268644 is a wasteful number, since it uses less digits than its factorization.

80268644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11614 (or 11612 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 80268644 is about 8959.2769797568. The cubic root of 80268644 is about 431.3687124280.

The spelling of 80268644 in words is "eighty million, two hundred sixty-eight thousand, six hundred forty-four".