4415445861 has 8 divisors (see below), whose sum is σ = 6143229120. Its totient is φ = 2815646592.

The previous prime is 4415445823. The next prime is 4415445877. The reversal of 4415445861 is 1685445144.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4415445861 - 2¹³ = 4415437669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4415445821) by changing a digit.

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, 31995916 + ... + 31996053.

It is an arithmetic number, because the mean of its divisors is an integer number (767903640).

Almost surely, 2^4415445861 is an apocalyptic number.

It is an amenable number.

4415445861 is a deficient number, since it is larger than the sum of its proper divisors (1727783259).

4415445861 is a wasteful number, since it uses less digits than its factorization.

4415445861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63991995.

The product of its digits is 307200, while the sum is 42.

The square root of 4415445861 is about 66448.8213665224. The cubic root of 4415445861 is about 1640.5577446854.

The spelling of 4415445861 in words is "four billion, four hundred fifteen million, four hundred forty-five thousand, eight hundred sixty-one".