4617745920 has 480 divisors, whose sum is σ = 16852492800. Its totient is φ = 1167409152.

The previous prime is 4617745907. The next prime is 4617745961. The reversal of 4617745920 is 295477164.

4617745920 is a `hidden beast` number, since 4 + 6 + 177 + 459 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58452441 + ... + 58452519.

It is an arithmetic number, because the mean of its divisors is an integer number (35109360).

Almost surely, 2^4617745920 is an apocalyptic number.

4617745920 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 4617745920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8426246400).

4617745920 is an abundant number, since it is smaller than the sum of its proper divisors (12234746880).

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

4617745920 is a wasteful number, since it uses less digits than its factorization.

4617745920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 4617745920 is about 67953.9985578479. The cubic root of 4617745920 is about 1665.2393996052.

The spelling of 4617745920 in words is "four billion, six hundred seventeen million, seven hundred forty-five thousand, nine hundred twenty".