403040400003043 has 4 divisors (see below), whose sum is σ = 439680436366968. Its totient is φ = 366400363639120.

The previous prime is 403040400002983. The next prime is 403040400003049. The reversal of 403040400003043 is 340300004040304.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 403040400003043 - 2⁴⁵ = 367856027914211 is a prime.

It is a super-2 number, since 2×403040400003043² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 403040400002999 and 403040400003017.

It is not an unprimeable number, because it can be changed into a prime (403040400003049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18320018181946 + ... + 18320018181967.

It is an arithmetic number, because the mean of its divisors is an integer number (109920109091742).

Almost surely, 2^{403040400003043} is an apocalyptic number.

403040400003043 is a deficient number, since it is larger than the sum of its proper divisors (36640036363925).

403040400003043 is a wasteful number, since it uses less digits than its factorization.

403040400003043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36640036363924.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 403040400003043 its reverse (340300004040304), we get a palindrome (743340404043347).

The spelling of 403040400003043 in words is "four hundred three trillion, forty billion, four hundred million, three thousand, forty-three".