1240043044 has 6 divisors (see below), whose sum is σ = 2170075334. Its totient is φ = 620021520.

The previous prime is 1240043039. The next prime is 1240043083. The reversal of 1240043044 is 4403400421.

It can be written as a sum of positive squares in only one way, i.e., 1167588900 + 72454144 = 34170^2 + 8512^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155005377 + ... + 155005384.

Almost surely, 2^1240043044 is an apocalyptic number.

It is an amenable number.

1240043044 is a deficient number, since it is larger than the sum of its proper divisors (930032290).

1240043044 is a wasteful number, since it uses less digits than its factorization.

1240043044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310010765 (or 310010763 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1240043044 is about 35214.2449017440. The cubic root of 1240043044 is about 1074.3495019647.

Adding to 1240043044 its reverse (4403400421), we get a palindrome (5643443465).

The spelling of 1240043044 in words is "one billion, two hundred forty million, forty-three thousand, forty-four".