4078571616 has 240 divisors, whose sum is σ = 14431253760. Its totient is φ = 1103880960.

The previous prime is 4078571603. The next prime is 4078571617. The reversal of 4078571616 is 6161758704.

4078571616 is a `hidden beast` number, since 4 + 0 + 78 + 571 + 6 + 1 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4078571617) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 338821 + ... + 350651.

It is an arithmetic number, because the mean of its divisors is an integer number (60130224).

Almost surely, 2^4078571616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4078571616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7215626880).

4078571616 is an abundant number, since it is smaller than the sum of its proper divisors (10352682144).

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

4078571616 is a wasteful number, since it uses less digits than its factorization.

4078571616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11879 (or 11862 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 4078571616 is about 63863.6956024313. The cubic root of 4078571616 is about 1597.7274529009.

The spelling of 4078571616 in words is "four billion, seventy-eight million, five hundred seventy-one thousand, six hundred sixteen".