80458688240 has 40 divisors (see below), whose sum is σ = 213790230240. Its totient is φ = 27585835776.

The previous prime is 80458688071. The next prime is 80458688243. The reversal of 80458688240 is 4288685408.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80458688243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71837555 + ... + 71838674.

It is an arithmetic number, because the mean of its divisors is an integer number (5344755756).

Almost surely, 2^80458688240 is an apocalyptic number.

80458688240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80458688240 is an abundant number, since it is smaller than the sum of its proper divisors (133331542000).

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

80458688240 is a wasteful number, since it uses less digits than its factorization.

80458688240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143676249 (or 143676243 counting only the distinct ones).

The product of its (nonzero) digits is 3932160, while the sum is 53.

The spelling of 80458688240 in words is "eighty billion, four hundred fifty-eight million, six hundred eighty-eight thousand, two hundred forty".