4034010021 has 16 divisors (see below), whose sum is σ = 5418510336. Its totient is φ = 2669475776.

The previous prime is 4034009981. The next prime is 4034010037. The reversal of 4034010021 is 1200104304.

4034010021 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4034010021 - 2⁶ = 4034009957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4034010091) 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, 332956 + ... + 344858.

It is an arithmetic number, because the mean of its divisors is an integer number (338656896).

Almost surely, 2^4034010021 is an apocalyptic number.

It is an amenable number.

4034010021 is a deficient number, since it is larger than the sum of its proper divisors (1384500315).

4034010021 is a wasteful number, since it uses less digits than its factorization.

4034010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12732.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 4034010021 is about 63513.8569211475. The cubic root of 4034010021 is about 1591.8873229691.

Adding to 4034010021 its reverse (1200104304), we get a palindrome (5234114325).

The spelling of 4034010021 in words is "four billion, thirty-four million, ten thousand, twenty-one".