4421613540 has 24 divisors (see below), whose sum is σ = 12380518080. Its totient is φ = 1179096928.

The previous prime is 4421613529. The next prime is 4421613601. The reversal of 4421613540 is 453161244.

It is a super-2 number, since 2×4421613540² = 39101332594222663200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4421613498 and 4421613507.

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, 36846720 + ... + 36846839.

It is an arithmetic number, because the mean of its divisors is an integer number (515854920).

Almost surely, 2^4421613540 is an apocalyptic number.

It is an amenable number.

4421613540 is an abundant number, since it is smaller than the sum of its proper divisors (7958904540).

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

4421613540 is a wasteful number, since it uses less digits than its factorization.

4421613540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73693571 (or 73693569 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 4421613540 is about 66495.2144142719. The cubic root of 4421613540 is about 1641.3212557960.

Adding to 4421613540 its reverse (453161244), we get a palindrome (4874774784).

The spelling of 4421613540 in words is "four billion, four hundred twenty-one million, six hundred thirteen thousand, five hundred forty".