440131024454 has 64 divisors (see below), whose sum is σ = 812666898432. Its totient is φ = 176272588800.

The previous prime is 440131024453. The next prime is 440131024469. The reversal of 440131024454 is 454420131044.

It is a self number, because there is not a number n which added to its sum of digits gives 440131024454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440131024453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140027 + ... + 948614.

It is an arithmetic number, because the mean of its divisors is an integer number (12697920288).

Almost surely, 2^440131024454 is an apocalyptic number.

440131024454 is a deficient number, since it is larger than the sum of its proper divisors (372535873978).

440131024454 is a wasteful number, since it uses less digits than its factorization.

440131024454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088741.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 440131024454 its reverse (454420131044), we get a palindrome (894551155498).

The spelling of 440131024454 in words is "four hundred forty billion, one hundred thirty-one million, twenty-four thousand, four hundred fifty-four".