80066240 has 56 divisors (see below), whose sum is σ = 192036192. Its totient is φ = 31795200.

The previous prime is 80066219. The next prime is 80066293. The reversal of 80066240 is 4266008.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47492 + ... + 49148.

Almost surely, 2^80066240 is an apocalyptic number.

80066240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80066240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96018096).

80066240 is an abundant number, since it is smaller than the sum of its proper divisors (111969952).

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

80066240 is a wasteful number, since it uses less digits than its factorization.

80066240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825 (or 1815 counting only the distinct ones).

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

The square root of 80066240 is about 8947.9740723809. The cubic root of 80066240 is about 431.0058299931.

The spelling of 80066240 in words is "eighty million, sixty-six thousand, two hundred forty".