80266040 has 16 divisors (see below), whose sum is σ = 180598680. Its totient is φ = 32106400.

The previous prime is 80266003. The next prime is 80266049. The reversal of 80266040 is 4066208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80266049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1003286 + ... + 1003365.

Almost surely, 2^80266040 is an apocalyptic number.

It is an amenable number.

80266040 is an abundant number, since it is smaller than the sum of its proper divisors (100332640).

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

80266040 is a wasteful number, since it uses less digits than its factorization.

80266040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006662 (or 2006658 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 80266040 is about 8959.1316543513. The cubic root of 80266040 is about 431.3640476913.

The spelling of 80266040 in words is "eighty million, two hundred sixty-six thousand, forty".