4420258158481 has 27 divisors (see below), whose sum is σ = 5161703659483. Its totient is φ = 3781702675520.

The previous prime is 4420258158419. The next prime is 4420258158487. The reversal of 4420258158481 is 1848518520244.

The square root of 4420258158481 is 2102441.

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., 3441377459025 + 978880699456 = 1855095^2 + 989384^2 .

It is not a de Polignac number, because 4420258158481 - 2¹³ = 4420258150289 is a prime.

It is a super-2 number, since 2×4420258158481² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4420258158487) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 393150846 + ... + 393162088.

Almost surely, 2^{4420258158481} is an apocalyptic number.

4420258158481 is the 2102441-st square number.

4420258158481 is the 1051221-st centered octagonal number.

It is an amenable number.

4420258158481 is a deficient number, since it is larger than the sum of its proper divisors (741445501002).

4420258158481 is an frugal number, since it uses more digits than its factorization.

4420258158481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22542 (or 11271 counting only the distinct ones).

The product of its (nonzero) digits is 3276800, while the sum is 52.

The spelling of 4420258158481 in words is "four trillion, four hundred twenty billion, two hundred fifty-eight million, one hundred fifty-eight thousand, four hundred eighty-one".