80042626 has 4 divisors (see below), whose sum is σ = 120063942. Its totient is φ = 40021312.

The previous prime is 80042623. The next prime is 80042653. The reversal of 80042626 is 62624008.

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

It can be written as a sum of positive squares in only one way, i.e., 61544025 + 18498601 = 7845^2 + 4301^2 .

It is a junction number, because it is equal to n+sod(n) for n = 80042594 and 80042603.

It is not an unprimeable number, because it can be changed into a prime (80042621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20010655 + ... + 20010658.

Almost surely, 2^80042626 is an apocalyptic number.

80042626 is a deficient number, since it is larger than the sum of its proper divisors (40021316).

80042626 is a wasteful number, since it uses less digits than its factorization.

80042626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40021315.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 80042626 is about 8946.6544585113. The cubic root of 80042626 is about 430.9634535291.

The spelling of 80042626 in words is "eighty million, forty-two thousand, six hundred twenty-six".