34400340403 has 16 divisors (see below), whose sum is σ = 41099385600. Its totient is φ = 28378133280.

The previous prime is 34400340341. The next prime is 34400340407. The reversal of 34400340403 is 30404300443.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 34400340403 - 2⁹ = 34400339891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34400340407) 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, 2030223 + ... + 2047096.

It is an arithmetic number, because the mean of its divisors is an integer number (2568711600).

Almost surely, 2^34400340403 is an apocalyptic number.

34400340403 is a deficient number, since it is larger than the sum of its proper divisors (6699045197).

34400340403 is a wasteful number, since it uses less digits than its factorization.

34400340403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4077402.

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

Adding to 34400340403 its reverse (30404300443), we get a palindrome (64804640846).

The spelling of 34400340403 in words is "thirty-four billion, four hundred million, three hundred forty thousand, four hundred three".