440120122044 has 48 divisors (see below), whose sum is σ = 1035326078976. Its totient is φ = 145510344000.

The previous prime is 440120122037. The next prime is 440120122067. The reversal of 440120122044 is 440221021044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5601309 + ... + 5679339.

It is an arithmetic number, because the mean of its divisors is an integer number (21569293312).

Almost surely, 2^440120122044 is an apocalyptic number.

It is an amenable number.

440120122044 is an abundant number, since it is smaller than the sum of its proper divisors (595205956932).

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

440120122044 is a wasteful number, since it uses less digits than its factorization.

440120122044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81866 (or 81864 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 440120122044 its reverse (440221021044), we get a palindrome (880341143088).

The spelling of 440120122044 in words is "four hundred forty billion, one hundred twenty million, one hundred twenty-two thousand, forty-four".