440240132 has 6 divisors (see below), whose sum is σ = 770420238. Its totient is φ = 220120064.

The previous prime is 440240107. The next prime is 440240137. The reversal of 440240132 is 231042044.

It can be written as a sum of positive squares in only one way, i.e., 377291776 + 62948356 = 19424^2 + 7934^2 .

It is a super-2 number, since 2×440240132² = 387622747646754848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (440240137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55030013 + ... + 55030020.

It is an arithmetic number, because the mean of its divisors is an integer number (128403373).

Almost surely, 2^440240132 is an apocalyptic number.

It is an amenable number.

440240132 is a deficient number, since it is larger than the sum of its proper divisors (330180106).

440240132 is a wasteful number, since it uses less digits than its factorization.

440240132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110060037 (or 110060035 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 440240132 is about 20981.9001046140. The cubic root of 440240132 is about 760.7288322282.

Adding to 440240132 its reverse (231042044), we get a palindrome (671282176).

The spelling of 440240132 in words is "four hundred forty million, two hundred forty thousand, one hundred thirty-two".