4540221412 has 24 divisors (see below), whose sum is σ = 7975489536. Its totient is φ = 2261525568.

The previous prime is 4540221391. The next prime is 4540221443. The reversal of 4540221412 is 2141220454.

It is a super-3 number, since 3×4540221412³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 7 ways as a sum of consecutive naturals, for example, 2277088 + ... + 2279080.

It is an arithmetic number, because the mean of its divisors is an integer number (332312064).

Almost surely, 2^4540221412 is an apocalyptic number.

It is an amenable number.

4540221412 is a deficient number, since it is larger than the sum of its proper divisors (3435268124).

4540221412 is a wasteful number, since it uses less digits than its factorization.

4540221412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3867 (or 3865 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 4540221412 is about 67381.1651131086. The cubic root of 4540221412 is about 1655.8678631722.

Adding to 4540221412 its reverse (2141220454), we get a palindrome (6681441866).

The spelling of 4540221412 in words is "four billion, five hundred forty million, two hundred twenty-one thousand, four hundred twelve".