4340211021 has 48 divisors (see below), whose sum is σ = 7123708800. Its totient is φ = 2531523456.

The previous prime is 4340210989. The next prime is 4340211077. The reversal of 4340211021 is 1201120434.

4340211021 is a `hidden beast` number, since 434 + 0 + 211 + 0 + 21 = 666.

It is not a de Polignac number, because 4340211021 - 2⁵ = 4340210989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4340210985 and 4340211003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4340211091) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 95031 + ... + 133083.

It is an arithmetic number, because the mean of its divisors is an integer number (148410600).

Almost surely, 2^4340211021 is an apocalyptic number.

It is an amenable number.

4340211021 is a deficient number, since it is larger than the sum of its proper divisors (2783497779).

4340211021 is a wasteful number, since it uses less digits than its factorization.

4340211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38130 (or 38127 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 4340211021 is about 65880.2779365722. The cubic root of 4340211021 is about 1631.1864874378.

Adding to 4340211021 its reverse (1201120434), we get a palindrome (5541331455).

The spelling of 4340211021 in words is "four billion, three hundred forty million, two hundred eleven thousand, twenty-one".