1002421344 has 48 divisors (see below), whose sum is σ = 2641427712. Its totient is φ = 332861568.

The previous prime is 1002421313. The next prime is 1002421367. The reversal of 1002421344 is 4431242001.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1002421344.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5397 + ... + 45099.

It is an arithmetic number, because the mean of its divisors is an integer number (55029744).

Almost surely, 2^1002421344 is an apocalyptic number.

It is an amenable number.

1002421344 is an abundant number, since it is smaller than the sum of its proper divisors (1639006368).

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

1002421344 is a wasteful number, since it uses less digits than its factorization.

1002421344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39979 (or 39971 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1002421344 is about 31661.0382647190. The cubic root of 1002421344 is about 1000.8064641075.

Adding to 1002421344 its reverse (4431242001), we get a palindrome (5433663345).

The spelling of 1002421344 in words is "one billion, two million, four hundred twenty-one thousand, three hundred forty-four".