3656340244 has 24 divisors (see below), whose sum is σ = 6513645600. Its totient is φ = 1795392480.

The previous prime is 3656340241. The next prime is 3656340257. The reversal of 3656340244 is 4420436563.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3656340241) 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, 149427 + ... + 172165.

It is an arithmetic number, because the mean of its divisors is an integer number (271401900).

Almost surely, 2^3656340244 is an apocalyptic number.

It is an amenable number.

3656340244 is a deficient number, since it is larger than the sum of its proper divisors (2857305356).

3656340244 is a wasteful number, since it uses less digits than its factorization.

3656340244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23463 (or 23461 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 37.

The square root of 3656340244 is about 60467.6793336738. The cubic root of 3656340244 is about 1540.5727115954.

The spelling of 3656340244 in words is "three billion, six hundred fifty-six million, three hundred forty thousand, two hundred forty-four".