4021340460 has 96 divisors (see below), whose sum is σ = 11672500224. Its totient is φ = 1033344000.

The previous prime is 4021340441. The next prime is 4021340471. The reversal of 4021340460 is 640431204.

It is a self number, because there is not a number n which added to its sum of digits gives 4021340460.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 443775 + ... + 452745.

It is an arithmetic number, because the mean of its divisors is an integer number (121588544).

Almost surely, 2^4021340460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4021340460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5836250112).

4021340460 is an abundant number, since it is smaller than the sum of its proper divisors (7651159764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4021340460 is a wasteful number, since it uses less digits than its factorization.

4021340460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9255 (or 9253 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 4021340460 is about 63414.0399280790. The cubic root of 4021340460 is about 1590.2190355262.

Adding to 4021340460 its reverse (640431204), we get a palindrome (4661771664).

The spelling of 4021340460 in words is "four billion, twenty-one million, three hundred forty thousand, four hundred sixty".