4640709869784 has 48 divisors (see below), whose sum is σ = 12585596938200. Its totient is φ = 1544810033664.

The previous prime is 4640709869779. The next prime is 4640709869833. The reversal of 4640709869784 is 4879689070464.

4640709869784 is a `hidden beast` number, since 4 + 6 + 407 + 0 + 98 + 69 + 78 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

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, 43555929 + ... + 43662344.

Almost surely, 2^{4640709869784} is an apocalyptic number.

It is an amenable number.

4640709869784 is an abundant number, since it is smaller than the sum of its proper divisors (7944887068416).

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

4640709869784 is a wasteful number, since it uses less digits than its factorization.

4640709869784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87219024 (or 87219017 counting only the distinct ones).

The product of its (nonzero) digits is 585252864, while the sum is 72.

The spelling of 4640709869784 in words is "four trillion, six hundred forty billion, seven hundred nine million, eight hundred sixty-nine thousand, seven hundred eighty-four".