4416418778 has 8 divisors (see below), whose sum is σ = 6639383700. Its totient is φ = 2203290880.

The previous prime is 4416418739. The next prime is 4416418793. The reversal of 4416418778 is 8778146144.

It can be written as a sum of positive squares in 2 ways, for example, as 4170963889 + 245454889 = 64583^2 + 15667^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2458133 + ... + 2459928.

Almost surely, 2^4416418778 is an apocalyptic number.

4416418778 is a deficient number, since it is larger than the sum of its proper divisors (2222964922).

4416418778 is a wasteful number, since it uses less digits than its factorization.

4416418778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4918512.

The product of its digits is 1204224, while the sum is 50.

The square root of 4416418778 is about 66456.1417628198. The cubic root of 4416418778 is about 1640.6782315212.

The spelling of 4416418778 in words is "four billion, four hundred sixteen million, four hundred eighteen thousand, seven hundred seventy-eight".