80436416 has 14 divisors (see below), whose sum is σ = 159616140. Its totient is φ = 40218176.

The previous prime is 80436407. The next prime is 80436427. The reversal of 80436416 is 61463408.

It is a super-4 number, since 4×80436416⁴ (a number of 33 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628346 + ... + 628473.

Almost surely, 2^80436416 is an apocalyptic number.

It is an amenable number.

80436416 is a deficient number, since it is larger than the sum of its proper divisors (79179724).

80436416 is a wasteful number, since it uses less digits than its factorization.

80436416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256831 (or 1256821 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 80436416 is about 8968.6351246999. The cubic root of 80436416 is about 431.6690423553.

The spelling of 80436416 in words is "eighty million, four hundred thirty-six thousand, four hundred sixteen".