2021902944 has 48 divisors (see below), whose sum is σ = 5323329648. Its totient is φ = 671956992.

The previous prime is 2021902931. The next prime is 2021902963. The reversal of 2021902944 is 4492091202.

It is a tau number, because it is divible by the number of its divisors (48).

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 7 ways as a sum of consecutive naturals, for example, 1104 + ... + 63600.

It is an arithmetic number, because the mean of its divisors is an integer number (110902701).

Almost surely, 2^2021902944 is an apocalyptic number.

2021902944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2021902944 is an abundant number, since it is smaller than the sum of its proper divisors (3301426704).

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

2021902944 is a wasteful number, since it uses less digits than its factorization.

2021902944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62847 (or 62839 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 2021902944 is about 44965.5750991800. The cubic root of 2021902944 is about 1264.5036915288.

The spelling of 2021902944 in words is "two billion, twenty-one million, nine hundred two thousand, nine hundred forty-four".