441720455 has 32 divisors (see below), whose sum is σ = 613267200. Its totient is φ = 302054400.

The previous prime is 441720449. The next prime is 441720463. The reversal of 441720455 is 554027144.

It is not a de Polignac number, because 441720455 - 2¹⁶ = 441654919 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143735 + ... + 146775.

It is an arithmetic number, because the mean of its divisors is an integer number (19164600).

Almost surely, 2^441720455 is an apocalyptic number.

441720455 is a deficient number, since it is larger than the sum of its proper divisors (171546745).

441720455 is a wasteful number, since it uses less digits than its factorization.

441720455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215.

The product of its (nonzero) digits is 22400, while the sum is 32.

The square root of 441720455 is about 21017.1466902622. The cubic root of 441720455 is about 761.5805375037.

Adding to 441720455 its reverse (554027144), we get a palindrome (995747599).

The spelling of 441720455 in words is "four hundred forty-one million, seven hundred twenty thousand, four hundred fifty-five".