440140513230 has 128 divisors (see below), whose sum is σ = 1347798873600. Its totient is φ = 101084889600.

The previous prime is 440140513207. The next prime is 440140513247. The reversal of 440140513230 is 32315041044.

It is a happy number.

440140513230 is a `hidden beast` number, since 4 + 4 + 0 + 140 + 513 + 2 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 440140513194 and 440140513203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3843451 + ... + 3956310.

It is an arithmetic number, because the mean of its divisors is an integer number (10529678700).

Almost surely, 2^440140513230 is an apocalyptic number.

440140513230 is an abundant number, since it is smaller than the sum of its proper divisors (907658360370).

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

440140513230 is a wasteful number, since it uses less digits than its factorization.

440140513230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7799807 (or 7799801 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 440140513230 its reverse (32315041044), we get a palindrome (472455554274).

The spelling of 440140513230 in words is "four hundred forty billion, one hundred forty million, five hundred thirteen thousand, two hundred thirty".