3940220539 has 8 divisors (see below), whose sum is σ = 4047530480. Its totient is φ = 3832953696.

The previous prime is 3940220527. The next prime is 3940220569. The reversal of 3940220539 is 9350220493.

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

It is a cyclic number.

It is not a de Polignac number, because 3940220539 - 2⁵ = 3940220507 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3940220498 and 3940220507.

It is not an unprimeable number, because it can be changed into a prime (3940220569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278857 + ... + 292645.

It is an arithmetic number, because the mean of its divisors is an integer number (505941310).

Almost surely, 2^3940220539 is an apocalyptic number.

3940220539 is a deficient number, since it is larger than the sum of its proper divisors (107309941).

3940220539 is a wasteful number, since it uses less digits than its factorization.

3940220539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21549.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 3940220539 is about 62771.1760205271. The cubic root of 3940220539 is about 1579.4534961657.

The spelling of 3940220539 in words is "three billion, nine hundred forty million, two hundred twenty thousand, five hundred thirty-nine".