80435412 has 18 divisors (see below), whose sum is σ = 203322938. Its totient is φ = 26811792.

The previous prime is 80435389. The next prime is 80435419. The reversal of 80435412 is 21453408.

80435412 is a `hidden beast` number, since 80 + 43 + 541 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 80030916 + 404496 = 8946^2 + 636^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80435419) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 1117123 + ... + 1117194.

Almost surely, 2^80435412 is an apocalyptic number.

It is an amenable number.

80435412 is an abundant number, since it is smaller than the sum of its proper divisors (122887526).

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

80435412 is a wasteful number, since it uses less digits than its factorization.

80435412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234327 (or 2234322 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 80435412 is about 8968.5791516828. The cubic root of 80435412 is about 431.6672463299.

The spelling of 80435412 in words is "eighty million, four hundred thirty-five thousand, four hundred twelve".