80755040 has 96 divisors (see below), whose sum is σ = 198404640. Its totient is φ = 31043584.

The previous prime is 80755007. The next prime is 80755057. The reversal of 80755040 is 4055708.

It is a junction number, because it is equal to n+sod(n) for n = 80754994 and 80755012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 754667 + ... + 754773.

It is an arithmetic number, because the mean of its divisors is an integer number (2066715).

Almost surely, 2^80755040 is an apocalyptic number.

80755040 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 80755040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99202320).

80755040 is an abundant number, since it is smaller than the sum of its proper divisors (117649600).

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

80755040 is a wasteful number, since it uses less digits than its factorization.

80755040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 80755040 is about 8986.3808065316. The cubic root of 80755040 is about 432.2382659103.

The spelling of 80755040 in words is "eighty million, seven hundred fifty-five thousand, forty".