1040403030243 has 16 divisors (see below), whose sum is σ = 1401954285312. Its totient is φ = 686263500000.

The previous prime is 1040403030239. The next prime is 1040403030299. The reversal of 1040403030243 is 3420303040401.

It is not a de Polignac number, because 1040403030243 - 2² = 1040403030239 is a prime.

It is a super-4 number, since 4×1040403030243⁴ (a number of 49 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1040403030643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4461388 + ... + 4688793.

It is an arithmetic number, because the mean of its divisors is an integer number (87622142832).

Almost surely, 2^{1040403030243} is an apocalyptic number.

1040403030243 is a deficient number, since it is larger than the sum of its proper divisors (361551255069).

1040403030243 is a wasteful number, since it uses less digits than its factorization.

1040403030243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9150586.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 1040403030243 its reverse (3420303040401), we get a palindrome (4460706070644).

The spelling of 1040403030243 in words is "one trillion, forty billion, four hundred three million, thirty thousand, two hundred forty-three".