80380418 has 8 divisors (see below), whose sum is σ = 123511500. Its totient is φ = 39209920.

The previous prime is 80380411. The next prime is 80380441. The reversal of 80380418 is 81408308.

It can be written as a sum of positive squares in 2 ways, for example, as 64754209 + 15626209 = 8047^2 + 3953^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×80380418² = 12922023195709448, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80380411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490043 + ... + 490206.

Almost surely, 2^80380418 is an apocalyptic number.

80380418 is a deficient number, since it is larger than the sum of its proper divisors (43131082).

80380418 is a wasteful number, since it uses less digits than its factorization.

80380418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980292.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 80380418 is about 8965.5127014577. The cubic root of 80380418 is about 431.5688463832.

The spelling of 80380418 in words is "eighty million, three hundred eighty thousand, four hundred eighteen".