441527985 has 24 divisors (see below), whose sum is σ = 805596480. Its totient is φ = 223087392.

The previous prime is 441527981. The next prime is 441528019. The reversal of 441527985 is 589725144.

441527985 is a `hidden beast` number, since 4 + 41 + 527 + 9 + 85 = 666.

It is not a de Polignac number, because 441527985 - 2² = 441527981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 441527985.

It is not an unprimeable number, because it can be changed into a prime (441527981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 257349 + ... + 259058.

It is an arithmetic number, because the mean of its divisors is an integer number (33566520).

Almost surely, 2^441527985 is an apocalyptic number.

441527985 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

441527985 is a deficient number, since it is larger than the sum of its proper divisors (364068495).

441527985 is a wasteful number, since it uses less digits than its factorization.

441527985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516437 (or 516434 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 441527985 is about 21012.5673110165. The cubic root of 441527985 is about 761.4699074288.

It can be divided in two parts, 4415 and 27985, that added together give a square (32400 = 180²).

The spelling of 441527985 in words is "four hundred forty-one million, five hundred twenty-seven thousand, nine hundred eighty-five".