4043672640 has 168 divisors, whose sum is σ = 15895563840. Its totient is φ = 924263424.

The previous prime is 4043672627. The next prime is 4043672719. The reversal of 4043672640 is 462763404.

4043672640 is a `hidden beast` number, since 4 + 0 + 4 + 3 + 6 + 7 + 2 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4043672595 and 4043672604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80130 + ... + 120449.

Almost surely, 2^4043672640 is an apocalyptic number.

4043672640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4043672640 is an abundant number, since it is smaller than the sum of its proper divisors (11851891200).

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

4043672640 is a wasteful number, since it uses less digits than its factorization.

4043672640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200609 (or 200596 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

The square root of 4043672640 is about 63589.8784398901. The cubic root of 4043672640 is about 1593.1573194610.

The spelling of 4043672640 in words is "four billion, forty-three million, six hundred seventy-two thousand, six hundred forty".