1040440122 has 12 divisors (see below), whose sum is σ = 2254286970. Its totient is φ = 346813368.

The previous prime is 1040440117. The next prime is 1040440147. The reversal of 1040440122 is 2210440401.

1040440122 is a `hidden beast` number, since 104 + 0 + 440 + 122 = 666.

It can be written as a sum of positive squares in only one way, i.e., 897661521 + 142778601 = 29961^2 + 11949^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 57802229 = 1040440122 / (1 + 0 + 4 + 0 + 4 + 4 + 0 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 1040440095 and 1040440104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28901097 + ... + 28901132.

Almost surely, 2^1040440122 is an apocalyptic number.

1040440122 is an abundant number, since it is smaller than the sum of its proper divisors (1213846848).

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

1040440122 is a wasteful number, since it uses less digits than its factorization.

1040440122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57802237 (or 57802234 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1040440122 is about 32255.8540733306. The cubic root of 1040440122 is about 1013.3023047353.

Adding to 1040440122 its reverse (2210440401), we get a palindrome (3250880523).

The spelling of 1040440122 in words is "one billion, forty million, four hundred forty thousand, one hundred twenty-two".