80841420 has 72 divisors (see below), whose sum is σ = 267518160. Its totient is φ = 19597440.

The previous prime is 80841413. The next prime is 80841451. The reversal of 80841420 is 2414808.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18435 + ... + 22394.

It is an arithmetic number, because the mean of its divisors is an integer number (3715530).

Almost surely, 2^80841420 is an apocalyptic number.

It is an amenable number.

80841420 is an abundant number, since it is smaller than the sum of its proper divisors (186676740).

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

80841420 is a wasteful number, since it uses less digits than its factorization.

80841420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40855 (or 40850 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 80841420 is about 8991.1856837683. The cubic root of 80841420 is about 432.3923262094.

The spelling of 80841420 in words is "eighty million, eight hundred forty-one thousand, four hundred twenty".