1040243413 has 12 divisors (see below), whose sum is σ = 1210669740. Its totient is φ = 890046080.

The previous prime is 1040243387. The next prime is 1040243429. The reversal of 1040243413 is 3143420401.

1040243413 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 2 ways, for example, as 466257649 + 573985764 = 21593^2 + 23958^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1040243413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040243443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 250798 + ... + 254911.

It is an arithmetic number, because the mean of its divisors is an integer number (100889145).

Almost surely, 2^1040243413 is an apocalyptic number.

It is an amenable number.

1040243413 is a deficient number, since it is larger than the sum of its proper divisors (170426327).

1040243413 is a wasteful number, since it uses less digits than its factorization.

1040243413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505748 (or 505737 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1040243413 is about 32252.8047307517. The cubic root of 1040243413 is about 1013.2384412985.

Adding to 1040243413 its reverse (3143420401), we get a palindrome (4183663814).

The spelling of 1040243413 in words is "one billion, forty million, two hundred forty-three thousand, four hundred thirteen".