440422031449 has 9 divisors (see below), whose sum is σ = 446586980319. Its totient is φ = 434341070640.

The previous prime is 440422031443. The next prime is 440422031551. The reversal of 440422031449 is 944130224044.

The square root of 440422031449 is 663643.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 250005000025 + 190417031424 = 500005^2 + 436368^2 .

It is not a de Polignac number, because 440422031449 - 2¹⁹ = 440421507161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440422031443) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 48441394 + ... + 48450484.

It is an arithmetic number, because the mean of its divisors is an integer number (49620775591).

Almost surely, 2^440422031449 is an apocalyptic number.

440422031449 is the 663643-rd square number.

440422031449 is the 331822-nd centered octagonal number.

It is an amenable number.

440422031449 is a deficient number, since it is larger than the sum of its proper divisors (6164948870).

440422031449 is an frugal number, since it uses more digits than its factorization.

440422031449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18328 (or 9164 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 37.

The spelling of 440422031449 in words is "four hundred forty billion, four hundred twenty-two million, thirty-one thousand, four hundred forty-nine".