3920080642 has 8 divisors (see below), whose sum is σ = 5881881600. Its totient is φ = 1959453444.

The previous prime is 3920080639. The next prime is 3920080657. The reversal of 3920080642 is 2460800293.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3920080598 and 3920080607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285042 + ... + 298477.

It is an arithmetic number, because the mean of its divisors is an integer number (735235200).

Almost surely, 2^3920080642 is an apocalyptic number.

3920080642 is a deficient number, since it is larger than the sum of its proper divisors (1961800958).

3920080642 is a wasteful number, since it uses less digits than its factorization.

3920080642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586880.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 3920080642 is about 62610.5473702315. The cubic root of 3920080642 is about 1576.7578447947.

The spelling of 3920080642 in words is "three billion, nine hundred twenty million, eighty thousand, six hundred forty-two".