34003640205 has 24 divisors (see below), whose sum is σ = 59523211800. Its totient is φ = 17955715200.

The previous prime is 34003640183. The next prime is 34003640207. The reversal of 34003640205 is 50204630043.

It can be written as a sum of positive squares in 4 ways, for example, as 2035272996 + 31968367209 = 45114^2 + 178797^2 .

It is not a de Polignac number, because 34003640205 - 2⁸ = 34003639949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34003640207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3736230 + ... + 3745319.

It is an arithmetic number, because the mean of its divisors is an integer number (2480133825).

Almost surely, 2^34003640205 is an apocalyptic number.

It is an amenable number.

34003640205 is a deficient number, since it is larger than the sum of its proper divisors (25519571595).

34003640205 is a wasteful number, since it uses less digits than its factorization.

34003640205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7481661 (or 7481658 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The spelling of 34003640205 in words is "thirty-four billion, three million, six hundred forty thousand, two hundred five".