441331540 has 48 divisors (see below), whose sum is σ = 999644688. Its totient is φ = 162699264.

The previous prime is 441331537. The next prime is 441331559. The reversal of 441331540 is 45133144.

It can be written as a sum of positive squares in 8 ways, for example, as 11847364 + 429484176 = 3442^2 + 20724^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283404 + ... + 284956.

It is an arithmetic number, because the mean of its divisors is an integer number (20825931).

Almost surely, 2^441331540 is an apocalyptic number.

It is an amenable number.

441331540 is an abundant number, since it is smaller than the sum of its proper divisors (558313148).

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

441331540 is a wasteful number, since it uses less digits than its factorization.

441331540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2668 (or 2666 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 441331540 is about 21007.8923264567. The cubic root of 441331540 is about 761.3569594003.

Adding to 441331540 its reverse (45133144), we get a palindrome (486464684).

It can be divided in two parts, 4413 and 31540, that added together give a palindrome (35953).

The spelling of 441331540 in words is "four hundred forty-one million, three hundred thirty-one thousand, five hundred forty".