4021415312 has 20 divisors (see below), whose sum is σ = 8130253440. Its totient is φ = 1923285408.

The previous prime is 4021415311. The next prime is 4021415317. The reversal of 4021415312 is 2135141204.

It is a super-2 number, since 2×4021415312² = 32343562223176114688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (4021415311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5463512 + ... + 5464247.

It is an arithmetic number, because the mean of its divisors is an integer number (406512672).

Almost surely, 2^4021415312 is an apocalyptic number.

It is an amenable number.

4021415312 is an abundant number, since it is smaller than the sum of its proper divisors (4108838128).

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

4021415312 is a wasteful number, since it uses less digits than its factorization.

4021415312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10927790 (or 10927784 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 4021415312 is about 63414.6301100937. The cubic root of 4021415312 is about 1590.2289020817.

Adding to 4021415312 its reverse (2135141204), we get a palindrome (6156556516).

The spelling of 4021415312 in words is "four billion, twenty-one million, four hundred fifteen thousand, three hundred twelve".