440005131 has 12 divisors (see below), whose sum is σ = 635745760. Its totient is φ = 293252400.

The previous prime is 440005129. The next prime is 440005141. The reversal of 440005131 is 131500044.

It is a happy number.

It is not a de Polignac number, because 440005131 - 2¹ = 440005129 is a prime.

It is a super-2 number, since 2×440005131² = 387209030612654322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440005121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52830 + ... + 60588.

Almost surely, 2^440005131 is an apocalyptic number.

440005131 is a deficient number, since it is larger than the sum of its proper divisors (195740629).

440005131 is a wasteful number, since it uses less digits than its factorization.

440005131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14066 (or 14063 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 440005131 is about 20976.2992684601. The cubic root of 440005131 is about 760.5934486482.

Adding to 440005131 its reverse (131500044), we get a palindrome (571505175).

The spelling of 440005131 in words is "four hundred forty million, five thousand, one hundred thirty-one".