4529213521920 has 1200 divisors, whose sum is σ = 17264989969920. Its totient is φ = 1133438828544.

The previous prime is 4529213521913. The next prime is 4529213521949. The reversal of 4529213521920 is 291253129254.

4529213521920 is a `hidden beast` number, since 4 + 5 + 2 + 92 + 13 + 521 + 9 + 20 = 666.

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 79 ways as a sum of consecutive naturals, for example, 9004400389 + ... + 9004400891.

Almost surely, 2^{4529213521920} is an apocalyptic number.

4529213521920 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 4529213521920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8632494984960).

4529213521920 is an abundant number, since it is smaller than the sum of its proper divisors (12735776448000).

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

4529213521920 is an equidigital number, since it uses as much as digits as its factorization.

4529213521920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 4529213521920 in words is "four trillion, five hundred twenty-nine billion, two hundred thirteen million, five hundred twenty-one thousand, nine hundred twenty".