80802140 has 24 divisors (see below), whose sum is σ = 169925280. Its totient is φ = 32275008.

The previous prime is 80802101. The next prime is 80802143. The reversal of 80802140 is 4120808.

80802140 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

80802140 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80802143) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14006 + ... + 18914.

It is an arithmetic number, because the mean of its divisors is an integer number (7080220).

Almost surely, 2^80802140 is an apocalyptic number.

It is an amenable number.

80802140 is an abundant number, since it is smaller than the sum of its proper divisors (89123140).

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

80802140 is a wasteful number, since it uses less digits than its factorization.

80802140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5741 (or 5739 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 80802140 is about 8989.0010568472. The cubic root of 80802140 is about 432.3222832283.

Adding to 80802140 its reverse (4120808), we get a palindrome (84922948).

The spelling of 80802140 in words is "eighty million, eight hundred two thousand, one hundred forty".