1012440344 has 32 divisors (see below), whose sum is σ = 2000862000. Its totient is φ = 479536512.

The previous prime is 1012440343. The next prime is 1012440349. The reversal of 1012440344 is 4430442101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012440343) 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, 28874 + ... + 53465.

Almost surely, 2^1012440344 is an apocalyptic number.

It is an amenable number.

1012440344 is a deficient number, since it is larger than the sum of its proper divisors (988421656).

1012440344 is a wasteful number, since it uses less digits than its factorization.

1012440344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82427 (or 82423 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1012440344 is about 31818.8677359833. The cubic root of 1012440344 is about 1004.1297034065.

Adding to 1012440344 its reverse (4430442101), we get a palindrome (5442882445).

The spelling of 1012440344 in words is "one billion, twelve million, four hundred forty thousand, three hundred forty-four".