4000440044479 has 2 divisors, whose sum is σ = 4000440044480. Its totient is φ = 4000440044478.

The previous prime is 4000440044473. The next prime is 4000440044539. The reversal of 4000440044479 is 9744400440004.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4000440044479 - 2⁷ = 4000440044351 is a prime.

It is a super-2 number, since 2×4000440044479² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4000440044473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000220022239 + 2000220022240.

It is an arithmetic number, because the mean of its divisors is an integer number (2000220022240).

Almost surely, 2^{4000440044479} is an apocalyptic number.

4000440044479 is a deficient number, since it is larger than the sum of its proper divisors (1).

4000440044479 is an equidigital number, since it uses as much as digits as its factorization.

4000440044479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 40.

The spelling of 4000440044479 in words is "four trillion, four hundred forty million, forty-four thousand, four hundred seventy-nine".