420000080 has 40 divisors (see below), whose sum is σ = 978806400. Its totient is φ = 167603328.

The previous prime is 420000029. The next prime is 420000101. The reversal of 420000080 is 80000024.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29141 + ... + 41099.

It is an arithmetic number, because the mean of its divisors is an integer number (24470160).

Almost surely, 2^420000080 is an apocalyptic number.

420000080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420000080 is an abundant number, since it is smaller than the sum of its proper divisors (558806320).

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

420000080 is a wasteful number, since it uses less digits than its factorization.

420000080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12411 (or 12405 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 420000080 is about 20493.9034837192. The cubic root of 420000080 is about 748.8872862702.

The spelling of 420000080 in words is "four hundred twenty million, eighty", and thus it is an aban number.