4573777920 has 416 divisors, whose sum is σ = 16135614720. Its totient is φ = 1101004800.

The previous prime is 4573777889. The next prime is 4573777921. The reversal of 4573777920 is 297773754.

It is a happy number.

It is a super-2 number, since 2×4573777920² = 41838888922959052800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4573777921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30289845 + ... + 30289995.

Almost surely, 2^4573777920 is an apocalyptic number.

4573777920 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 4573777920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8067807360).

4573777920 is an abundant number, since it is smaller than the sum of its proper divisors (11561836800).

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

4573777920 is a wasteful number, since it uses less digits than its factorization.

4573777920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 2593080, while the sum is 51.

The square root of 4573777920 is about 67629.7118136696. The cubic root of 4573777920 is about 1659.9373276769.

The spelling of 4573777920 in words is "four billion, five hundred seventy-three million, seven hundred seventy-seven thousand, nine hundred twenty".