4345516578 has 32 divisors (see below), whose sum is σ = 9612542016. Its totient is φ = 1300943808.

The previous prime is 4345516561. The next prime is 4345516579. The reversal of 4345516578 is 8756155434.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4345516579) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 749976 + ... + 755747.

It is an arithmetic number, because the mean of its divisors is an integer number (300391938).

Almost surely, 2^4345516578 is an apocalyptic number.

4345516578 is an abundant number, since it is smaller than the sum of its proper divisors (5267025438).

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

4345516578 is a wasteful number, since it uses less digits than its factorization.

4345516578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505778.

The product of its digits is 2016000, while the sum is 48.

The square root of 4345516578 is about 65920.5322945742. The cubic root of 4345516578 is about 1631.8508813134.

The spelling of 4345516578 in words is "four billion, three hundred forty-five million, five hundred sixteen thousand, five hundred seventy-eight".