441531240 has 32 divisors (see below), whose sum is σ = 1324594080. Its totient is φ = 117741632.

The previous prime is 441531239. The next prime is 441531241. The reversal of 441531240 is 42135144.

It is an interprime number because it is at equal distance from previous prime (441531239) and next prime (441531241).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 441531240.

It is not an unprimeable number, because it can be changed into a prime (441531241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1839594 + ... + 1839833.

It is an arithmetic number, because the mean of its divisors is an integer number (41393565).

Almost surely, 2^441531240 is an apocalyptic number.

441531240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

441531240 is an abundant number, since it is smaller than the sum of its proper divisors (883062840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

441531240 is a wasteful number, since it uses less digits than its factorization.

441531240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3679441 (or 3679437 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 441531240 is about 21012.6447645221. The cubic root of 441531240 is about 761.4717786416.

Adding to 441531240 its reverse (42135144), we get a palindrome (483666384).

The spelling of 441531240 in words is "four hundred forty-one million, five hundred thirty-one thousand, two hundred forty".