2021854752 has 72 divisors (see below), whose sum is σ = 6052278960. Its totient is φ = 638478720.

The previous prime is 2021854739. The next prime is 2021854777. The reversal of 2021854752 is 2574581202.

It is a happy number.

2021854752 is a `hidden beast` number, since 2 + 0 + 2 + 185 + 475 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179274 + ... + 190217.

It is an arithmetic number, because the mean of its divisors is an integer number (84059430).

Almost surely, 2^2021854752 is an apocalyptic number.

It is an amenable number.

2021854752 is an abundant number, since it is smaller than the sum of its proper divisors (4030424208).

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

2021854752 is a wasteful number, since it uses less digits than its factorization.

2021854752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369526 (or 369515 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 2021854752 is about 44965.0392193758. The cubic root of 2021854752 is about 1264.4936449789.

The spelling of 2021854752 in words is "two billion, twenty-one million, eight hundred fifty-four thousand, seven hundred fifty-two".