4689323640 has 48 divisors (see below), whose sum is σ = 15240303000. Its totient is φ = 1250486208.

The previous prime is 4689323629. The next prime is 4689323663. The reversal of 4689323640 is 463239864.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6512590 + ... + 6513309.

Almost surely, 2^4689323640 is an apocalyptic number.

4689323640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4689323640 is an abundant number, since it is smaller than the sum of its proper divisors (10550979360).

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

4689323640 is a wasteful number, since it uses less digits than its factorization.

4689323640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13025916 (or 13025909 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The square root of 4689323640 is about 68478.6363766102. The cubic root of 4689323640 is about 1673.7993790141.

It can be divided in two parts, 4689 and 323640, that added together give a square (328329 = 573²).

The spelling of 4689323640 in words is "four billion, six hundred eighty-nine million, three hundred twenty-three thousand, six hundred forty".