441880139 has 4 divisors (see below), whose sum is σ = 442469280. Its totient is φ = 441291000.

The previous prime is 441880091. The next prime is 441880141. The reversal of 441880139 is 931088144.

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

It is a cyclic number.

It is not a de Polignac number, because 441880139 - 2¹⁶ = 441814603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441880189) 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, 293444 + ... + 294945.

It is an arithmetic number, because the mean of its divisors is an integer number (110617320).

Almost surely, 2^441880139 is an apocalyptic number.

441880139 is a deficient number, since it is larger than the sum of its proper divisors (589141).

441880139 is an equidigital number, since it uses as much as digits as its factorization.

441880139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589140.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 441880139 is about 21020.9452451596. The cubic root of 441880139 is about 761.6722980834.

The spelling of 441880139 in words is "four hundred forty-one million, eight hundred eighty thousand, one hundred thirty-nine".