34206205640 has 32 divisors (see below), whose sum is σ = 77173706880. Its totient is φ = 13645194432.

The previous prime is 34206205559. The next prime is 34206205643. The reversal of 34206205640 is 4650260243.

It is a junction number, because it is equal to n+sod(n) for n = 34206205597 and 34206205606.

It is not an unprimeable number, because it can be changed into a prime (34206205643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1150382 + ... + 1179741.

It is an arithmetic number, because the mean of its divisors is an integer number (2411678340).

Almost surely, 2^34206205640 is an apocalyptic number.

It is an amenable number.

34206205640 is an abundant number, since it is smaller than the sum of its proper divisors (42967501240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34206205640 is a wasteful number, since it uses less digits than its factorization.

34206205640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330501 (or 2330497 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 34206205640 its reverse (4650260243), we get a palindrome (38856465883).

The spelling of 34206205640 in words is "thirty-four billion, two hundred six million, two hundred five thousand, six hundred forty".