1012440444 has 24 divisors (see below), whose sum is σ = 2380965888. Its totient is φ = 334822320.

The previous prime is 1012440421. The next prime is 1012440467. The reversal of 1012440444 is 4440442101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1012440421) and next prime (1012440467).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 330642 + ... + 333689.

It is an arithmetic number, because the mean of its divisors is an integer number (99206912).

Almost surely, 2^1012440444 is an apocalyptic number.

It is an amenable number.

1012440444 is an abundant number, since it is smaller than the sum of its proper divisors (1368525444).

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

1012440444 is a wasteful number, since it uses less digits than its factorization.

1012440444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664465 (or 664463 counting only the distinct ones).

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

The square root of 1012440444 is about 31818.8693073780. The cubic root of 1012440444 is about 1004.1297364662.

Adding to 1012440444 its reverse (4440442101), we get a palindrome (5452882545).

The spelling of 1012440444 in words is "one billion, twelve million, four hundred forty thousand, four hundred forty-four".