80340555 has 48 divisors (see below), whose sum is σ = 140050944. Its totient is φ = 39298560.

The previous prime is 80340553. The next prime is 80340577. The reversal of 80340555 is 55504308.

It is not a de Polignac number, because 80340555 - 2¹ = 80340553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80340553) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 186190 + ... + 186620.

It is an arithmetic number, because the mean of its divisors is an integer number (2917728).

Almost surely, 2^80340555 is an apocalyptic number.

80340555 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

80340555 is a deficient number, since it is larger than the sum of its proper divisors (59710389).

80340555 is a wasteful number, since it uses less digits than its factorization.

80340555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 80340555 is about 8963.2892957887. The cubic root of 80340555 is about 431.4974920490.

The spelling of 80340555 in words is "eighty million, three hundred forty thousand, five hundred fifty-five".