3640000004 has 12 divisors (see below), whose sum is σ = 6433070028. Its totient is φ = 1801980000.

The previous prime is 3640000003. The next prime is 3640000051. The reversal of 3640000004 is 4000000463.

It can be written as a sum of positive squares in 2 ways, for example, as 3266351104 + 373648900 = 57152^2 + 19330^2 .

It is not an unprimeable number, because it can be changed into a prime (3640000003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4504547 + ... + 4505354.

It is an arithmetic number, because the mean of its divisors is an integer number (536089169).

Almost surely, 2^3640000004 is an apocalyptic number.

It is an amenable number.

3640000004 is a deficient number, since it is larger than the sum of its proper divisors (2793070024).

3640000004 is a wasteful number, since it uses less digits than its factorization.

3640000004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9010006 (or 9010004 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3640000004 is about 60332.4125491431. The cubic root of 3640000004 is about 1538.2743367597.

Adding to 3640000004 its reverse (4000000463), we get a palindrome (7640000467).

The spelling of 3640000004 in words is "three billion, six hundred forty million, four", and thus it is an aban number.