80419406 has 4 divisors (see below), whose sum is σ = 120629112. Its totient is φ = 40209702.

The previous prime is 80419387. The next prime is 80419439. The reversal of 80419406 is 60491408.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×80419406² = 12934561722785672, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 20104850 + ... + 20104853.

It is an arithmetic number, because the mean of its divisors is an integer number (30157278).

Almost surely, 2^80419406 is an apocalyptic number.

80419406 is a deficient number, since it is larger than the sum of its proper divisors (40209706).

80419406 is a wasteful number, since it uses less digits than its factorization.

80419406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40209705.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 80419406 is about 8967.6867697305. The cubic root of 80419406 is about 431.6386116605.

The spelling of 80419406 in words is "eighty million, four hundred nineteen thousand, four hundred six".