440480039 has 2 divisors, whose sum is σ = 440480040. Its totient is φ = 440480038.

The previous prime is 440479999. The next prime is 440480057. The reversal of 440480039 is 930084044.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 440480039 - 2¹² = 440475943 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 440479987 and 440480014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440480239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220240019 + 220240020.

It is an arithmetic number, because the mean of its divisors is an integer number (220240020).

Almost surely, 2^440480039 is an apocalyptic number.

440480039 is a deficient number, since it is larger than the sum of its proper divisors (1).

440480039 is an equidigital number, since it uses as much as digits as its factorization.

440480039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 440480039 is about 20987.6163248712. The cubic root of 440480039 is about 760.8669924557.

The spelling of 440480039 in words is "four hundred forty million, four hundred eighty thousand, thirty-nine".