2021992744 has 32 divisors (see below), whose sum is σ = 3974898240. Its totient is φ = 962438400.

The previous prime is 2021992649. The next prime is 2021992751. The reversal of 2021992744 is 4472991202.

It is a junction number, because it is equal to n+sod(n) for n = 2021992697 and 2021992706.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12784 + ... + 64864.

It is an arithmetic number, because the mean of its divisors is an integer number (124215570).

Almost surely, 2^2021992744 is an apocalyptic number.

It is an amenable number.

2021992744 is a deficient number, since it is larger than the sum of its proper divisors (1952905496).

2021992744 is a wasteful number, since it uses less digits than its factorization.

2021992744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52321 (or 52317 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 2021992744 is about 44966.5736297530. The cubic root of 2021992744 is about 1264.5224116411.

The spelling of 2021992744 in words is "two billion, twenty-one million, nine hundred ninety-two thousand, seven hundred forty-four".