1021440352 has 24 divisors (see below), whose sum is σ = 2065313376. Its totient is φ = 496916352.

The previous prime is 1021440347. The next prime is 1021440367. The reversal of 1021440352 is 2530441201.

1021440352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430168 + ... + 432535.

It is an arithmetic number, because the mean of its divisors is an integer number (86054724).

Almost surely, 2^1021440352 is an apocalyptic number.

It is an amenable number.

1021440352 is an abundant number, since it is smaller than the sum of its proper divisors (1043873024).

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

1021440352 is an equidigital number, since it uses as much as digits as its factorization.

1021440352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862750 (or 862742 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1021440352 is about 31959.9804755885. The cubic root of 1021440352 is about 1007.0963073050.

Adding to 1021440352 its reverse (2530441201), we get a palindrome (3551881553).

The spelling of 1021440352 in words is "one billion, twenty-one million, four hundred forty thousand, three hundred fifty-two".