1002432320 has 28 divisors (see below), whose sum is σ = 2387042724. Its totient is φ = 400972800.

The previous prime is 1002432311. The next prime is 1002432341. The reversal of 1002432320 is 232342001.

It can be written as a sum of positive squares in 2 ways, for example, as 125798656 + 876633664 = 11216^2 + 29608^2 .

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 3 ways as a sum of consecutive naturals, for example, 1565981 + ... + 1566620.

Almost surely, 2^1002432320 is an apocalyptic number.

1002432320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002432320 is an abundant number, since it is smaller than the sum of its proper divisors (1384610404).

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

1002432320 is an equidigital number, since it uses as much as digits as its factorization.

1002432320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3132618 (or 3132608 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1002432320 is about 31661.2116003162. The cubic root of 1002432320 is about 1000.8101168668.

Adding to 1002432320 its reverse (232342001), we get a palindrome (1234774321).

The spelling of 1002432320 in words is "one billion, two million, four hundred thirty-two thousand, three hundred twenty".