2021529432 has 256 divisors, whose sum is σ = 6122511360. Its totient is φ = 549863424.

The previous prime is 2021529421. The next prime is 2021529439. The reversal of 2021529432 is 2349251202.

It is a self number, because there is not a number n which added to its sum of digits gives 2021529432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021529439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8905303 + ... + 8905529.

It is an arithmetic number, because the mean of its divisors is an integer number (23916060).

Almost surely, 2^2021529432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021529432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3061255680).

2021529432 is an abundant number, since it is smaller than the sum of its proper divisors (4100981928).

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

2021529432 is a wasteful number, since it uses less digits than its factorization.

2021529432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2021529432 is about 44961.4215967422. The cubic root of 2021529432 is about 1264.4258215877.

The spelling of 2021529432 in words is "two billion, twenty-one million, five hundred twenty-nine thousand, four hundred thirty-two".