440023461445 has 16 divisors (see below), whose sum is σ = 542350626048. Its totient is φ = 342472259520.

The previous prime is 440023461443. The next prime is 440023461463. The reversal of 440023461445 is 544164320044.

It is not a de Polignac number, because 440023461445 - 2¹ = 440023461443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440023461443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1943830 + ... + 2158360.

It is an arithmetic number, because the mean of its divisors is an integer number (33896914128).

Almost surely, 2^440023461445 is an apocalyptic number.

It is an amenable number.

440023461445 is a deficient number, since it is larger than the sum of its proper divisors (102327164603).

440023461445 is a wasteful number, since it uses less digits than its factorization.

440023461445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225660.

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 440023461445 its reverse (544164320044), we get a palindrome (984187781489).

The spelling of 440023461445 in words is "four hundred forty billion, twenty-three million, four hundred sixty-one thousand, four hundred forty-five".