3640810226 has 16 divisors (see below), whose sum is σ = 5551858368. Its totient is φ = 1790430000.

The previous prime is 3640810211. The next prime is 3640810241. The reversal of 3640810226 is 6220180463.

It is an interprime number because it is at equal distance from previous prime (3640810211) and next prime (3640810241).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3640810192 and 3640810201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29180 + ... + 90183.

It is an arithmetic number, because the mean of its divisors is an integer number (346991148).

Almost surely, 2^3640810226 is an apocalyptic number.

3640810226 is a deficient number, since it is larger than the sum of its proper divisors (1911048142).

3640810226 is a wasteful number, since it uses less digits than its factorization.

3640810226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119617.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 3640810226 is about 60339.1268249715. The cubic root of 3640810226 is about 1538.3884623317.

Adding to 3640810226 its reverse (6220180463), we get a palindrome (9860990689).

The spelling of 3640810226 in words is "three billion, six hundred forty million, eight hundred ten thousand, two hundred twenty-six".