4322545920 has 648 divisors, whose sum is σ = 18829556928. Its totient is φ = 896163840.

The previous prime is 4322545901. The next prime is 4322545933. The reversal of 4322545920 is 295452234.

4322545920 is a `hidden beast` number, since 4 + 3 + 22 + 545 + 92 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9757219 + ... + 9757661.

Almost surely, 2^4322545920 is an apocalyptic number.

4322545920 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 4322545920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9414778464).

4322545920 is an abundant number, since it is smaller than the sum of its proper divisors (14507011008).

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

4322545920 is a wasteful number, since it uses less digits than its factorization.

4322545920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 4322545920 is about 65746.0715176200. The cubic root of 4322545920 is about 1628.9704464836.

The spelling of 4322545920 in words is "four billion, three hundred twenty-two million, five hundred forty-five thousand, nine hundred twenty".