4030550021 has 8 divisors (see below), whose sum is σ = 4114365024. Its totient is φ = 3947430960.

The previous prime is 4030550011. The next prime is 4030550053. The reversal of 4030550021 is 1200550304.

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

It is a de Polignac number, because none of the positive numbers 2^k-4030550021 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 4030549975 and 4030550002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4030550011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162275 + ... + 185456.

It is an arithmetic number, because the mean of its divisors is an integer number (514295628).

Almost surely, 2^4030550021 is an apocalyptic number.

It is an amenable number.

4030550021 is a deficient number, since it is larger than the sum of its proper divisors (83815003).

4030550021 is a wasteful number, since it uses less digits than its factorization.

4030550021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347971.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 4030550021 is about 63486.6129274511. The cubic root of 4030550021 is about 1591.4320683060.

The spelling of 4030550021 in words is "four billion, thirty million, five hundred fifty thousand, twenty-one".