3205440506 has 4 divisors (see below), whose sum is σ = 4808160762. Its totient is φ = 1602720252.

The previous prime is 3205440493. The next prime is 3205440509. The reversal of 3205440506 is 6050445023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6050445023 = 7 ⋅864349289.

It can be written as a sum of positive squares in only one way, i.e., 2209470025 + 995970481 = 47005^2 + 31559^2 .

It is not an unprimeable number, because it can be changed into a prime (3205440509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 801360125 + ... + 801360128.

Almost surely, 2^3205440506 is an apocalyptic number.

3205440506 is a deficient number, since it is larger than the sum of its proper divisors (1602720256).

3205440506 is a wasteful number, since it uses less digits than its factorization.

3205440506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602720255.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 3205440506 is about 56616.6098066636. The cubic root of 3205440506 is about 1474.4472514326.

Adding to 3205440506 its reverse (6050445023), we get a palindrome (9255885529).

The spelling of 3205440506 in words is "three billion, two hundred five million, four hundred forty thousand, five hundred six".