4020326757 has 16 divisors (see below), whose sum is σ = 5959073280. Its totient is φ = 2678852736.

The previous prime is 4020326747. The next prime is 4020326773. The reversal of 4020326757 is 7576230204.

It is a happy number.

It is not a de Polignac number, because 4020326757 - 2²⁸ = 3751891301 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020326747) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 17548 + ... + 91370.

It is an arithmetic number, because the mean of its divisors is an integer number (372442080).

Almost surely, 2^4020326757 is an apocalyptic number.

It is an amenable number.

4020326757 is a deficient number, since it is larger than the sum of its proper divisors (1938746523).

4020326757 is a wasteful number, since it uses less digits than its factorization.

4020326757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75849 (or 75843 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 4020326757 is about 63406.0466911477. The cubic root of 4020326757 is about 1590.0854030311.

The spelling of 4020326757 in words is "four billion, twenty million, three hundred twenty-six thousand, seven hundred fifty-seven".