4644006000 has 80 divisors (see below), whose sum is σ = 14972294688. Its totient is φ = 1238400000.

The previous prime is 4644005983. The next prime is 4644006007. The reversal of 4644006000 is 6004464.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4644006007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381001 + ... + 393000.

Almost surely, 2^4644006000 is an apocalyptic number.

4644006000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4644006000 is an abundant number, since it is smaller than the sum of its proper divisors (10328288688).

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

4644006000 is a wasteful number, since it uses less digits than its factorization.

4644006000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774027 (or 774011 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 4644006000 is about 68146.9441721344. The cubic root of 4644006000 is about 1668.3900484700.

The spelling of 4644006000 in words is "four billion, six hundred forty-four million, six thousand".