440042110420 has 24 divisors (see below), whose sum is σ = 1008096471648. Its totient is φ = 160015312800.

The previous prime is 440042110411. The next prime is 440042110423. The reversal of 440042110420 is 24011240044.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 440042110391 and 440042110400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440042110423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1000095486 + ... + 1000095925.

It is an arithmetic number, because the mean of its divisors is an integer number (42004019652).

Almost surely, 2^440042110420 is an apocalyptic number.

It is an amenable number.

440042110420 is an abundant number, since it is smaller than the sum of its proper divisors (568054361228).

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

440042110420 is a wasteful number, since it uses less digits than its factorization.

440042110420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000191431 (or 2000191429 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 440042110420 its reverse (24011240044), we get a palindrome (464053350464).

The spelling of 440042110420 in words is "four hundred forty billion, forty-two million, one hundred ten thousand, four hundred twenty".