2021196409248 has 192 divisors, whose sum is σ = 5388567230592. Its totient is φ = 663286579200.

The previous prime is 2021196409241. The next prime is 2021196409249. The reversal of 2021196409248 is 8429046911202.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 2021196409197 and 2021196409206.

It is not an unprimeable number, because it can be changed into a prime (2021196409241) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2289010215 + ... + 2289011097.

It is an arithmetic number, because the mean of its divisors is an integer number (28065454326).

Almost surely, 2^{2021196409248} 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 2021196409248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2694283615296).

2021196409248 is an abundant number, since it is smaller than the sum of its proper divisors (3367370821344).

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

2021196409248 is a wasteful number, since it uses less digits than its factorization.

2021196409248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007 (or 1999 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 2021196409248 in words is "two trillion, twenty-one billion, one hundred ninety-six million, four hundred nine thousand, two hundred forty-eight".