1040345044 has 6 divisors (see below), whose sum is σ = 1820603834. Its totient is φ = 520172520.

The previous prime is 1040345041. The next prime is 1040345063. The reversal of 1040345044 is 4405430401.

1040345044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 770728644 + 269616400 = 27762^2 + 16420^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040345041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130043127 + ... + 130043134.

Almost surely, 2^1040345044 is an apocalyptic number.

It is an amenable number.

1040345044 is a deficient number, since it is larger than the sum of its proper divisors (780258790).

1040345044 is a wasteful number, since it uses less digits than its factorization.

1040345044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260086265 (or 260086263 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1040345044 is about 32254.3802296680. The cubic root of 1040345044 is about 1013.2714377687.

Adding to 1040345044 its reverse (4405430401), we get a palindrome (5445775445).

The spelling of 1040345044 in words is "one billion, forty million, three hundred forty-five thousand, forty-four".