2021490624 has 28 divisors (see below), whose sum is σ = 5348527784. Its totient is φ = 673830144.

The previous prime is 2021490619. The next prime is 2021490643. The reversal of 2021490624 is 4260941202.

It is a junction number, because it is equal to n+sod(n) for n = 2021490591 and 2021490600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5264107 + ... + 5264490.

Almost surely, 2^2021490624 is an apocalyptic number.

2021490624 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2021490624 is an abundant number, since it is smaller than the sum of its proper divisors (3327037160).

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

2021490624 is a wasteful number, since it uses less digits than its factorization.

2021490624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10528612 (or 10528602 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 2021490624 is about 44960.9900246870. The cubic root of 2021490624 is about 1264.4177303292.

The spelling of 2021490624 in words is "two billion, twenty-one million, four hundred ninety thousand, six hundred twenty-four".