2021448464 has 40 divisors (see below), whose sum is σ = 4482623808. Its totient is φ = 865065600.

The previous prime is 2021448433. The next prime is 2021448479. The reversal of 2021448464 is 4648441202.

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, 65639 + ... + 91385.

Almost surely, 2^2021448464 is an apocalyptic number.

It is an amenable number.

2021448464 is an abundant number, since it is smaller than the sum of its proper divisors (2461175344).

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

2021448464 is a wasteful number, since it uses less digits than its factorization.

2021448464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26463 (or 26457 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 35.

The square root of 2021448464 is about 44960.5211713565. The cubic root of 2021448464 is about 1264.4089400795.

Adding to 2021448464 its reverse (4648441202), we get a palindrome (6669889666).

The spelling of 2021448464 in words is "two billion, twenty-one million, four hundred forty-eight thousand, four hundred sixty-four".