80212418 has 16 divisors (see below), whose sum is σ = 141353856. Its totient is φ = 33655440.

The previous prime is 80212417. The next prime is 80212423. The reversal of 80212418 is 81421208.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80212417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139946 + ... + 140517.

It is an arithmetic number, because the mean of its divisors is an integer number (8834616).

Almost surely, 2^80212418 is an apocalyptic number.

80212418 is a deficient number, since it is larger than the sum of its proper divisors (61141438).

80212418 is a wasteful number, since it uses less digits than its factorization.

80212418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280489.

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 80212418 is about 8956.1385652523. The cubic root of 80212418 is about 431.2679682214.

The spelling of 80212418 in words is "eighty million, two hundred twelve thousand, four hundred eighteen".