4621918080 has 512 divisors, whose sum is σ = 16927626240. Its totient is φ = 1064042496.

The previous prime is 4621918043. The next prime is 4621918087. The reversal of 4621918080 is 808191264.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4621918087) 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 63 ways as a sum of consecutive naturals, for example, 47648592 + ... + 47648688.

It is an arithmetic number, because the mean of its divisors is an integer number (33061770).

Almost surely, 2^4621918080 is an apocalyptic number.

4621918080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4621918080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8463813120).

4621918080 is an abundant number, since it is smaller than the sum of its proper divisors (12305708160).

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

4621918080 is a wasteful number, since it uses less digits than its factorization.

4621918080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 4621918080 is about 67984.6900412144. The cubic root of 4621918080 is about 1665.7407664316.

The spelling of 4621918080 in words is "four billion, six hundred twenty-one million, nine hundred eighteen thousand, eighty".