4620778416 has 120 divisors (see below), whose sum is σ = 13683075120. Its totient is φ = 1451616768.

The previous prime is 4620778399. The next prime is 4620778441. The reversal of 4620778416 is 6148770264.

4620778416 is a `hidden beast` number, since 4 + 620 + 7 + 7 + 8 + 4 + 16 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 534706 + ... + 543278.

It is an arithmetic number, because the mean of its divisors is an integer number (114025626).

Almost surely, 2^4620778416 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 4620778416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6841537560).

4620778416 is an abundant number, since it is smaller than the sum of its proper divisors (9062296704).

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

4620778416 is a wasteful number, since it uses less digits than its factorization.

4620778416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8803 (or 8794 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 4620778416 is about 67976.3077549818. The cubic root of 4620778416 is about 1665.6038434192.

The spelling of 4620778416 in words is "four billion, six hundred twenty million, seven hundred seventy-eight thousand, four hundred sixteen".