4030420261 has 16 divisors (see below), whose sum is σ = 4768669440. Its totient is φ = 3332972160.

The previous prime is 4030420217. The next prime is 4030420283. The reversal of 4030420261 is 1620240304.

It is a happy number.

4030420261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-4030420261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4030424261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286881 + ... + 300601.

It is an arithmetic number, because the mean of its divisors is an integer number (298041840).

Almost surely, 2^4030420261 is an apocalyptic number.

It is an amenable number.

4030420261 is a deficient number, since it is larger than the sum of its proper divisors (738249179).

4030420261 is a wasteful number, since it uses less digits than its factorization.

4030420261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15204.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 4030420261 is about 63485.5909714953. The cubic root of 4030420261 is about 1591.4149898725.

Adding to 4030420261 its reverse (1620240304), we get a palindrome (5650660565).

The spelling of 4030420261 in words is "four billion, thirty million, four hundred twenty thousand, two hundred sixty-one".