4534783920 has 320 divisors, whose sum is σ = 16059924480. Its totient is φ = 1175731200.

The previous prime is 4534783907. The next prime is 4534783921. The reversal of 4534783920 is 293874354.

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

It is not an unprimeable number, because it can be changed into a prime (4534783921) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16733385 + ... + 16733655.

It is an arithmetic number, because the mean of its divisors is an integer number (50187264).

Almost surely, 2^4534783920 is an apocalyptic number.

4534783920 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 4534783920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8029962240).

4534783920 is an abundant number, since it is smaller than the sum of its proper divisors (11525140560).

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

4534783920 is a wasteful number, since it uses less digits than its factorization.

4534783920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 4534783920 is about 67340.8042720014. The cubic root of 4534783920 is about 1655.2065617201.

The spelling of 4534783920 in words is "four billion, five hundred thirty-four million, seven hundred eighty-three thousand, nine hundred twenty".