1002440401 has 8 divisors (see below), whose sum is σ = 1019580800. Its totient is φ = 985411440.

The previous prime is 1002440359. The next prime is 1002440423. The reversal of 1002440401 is 1040442001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002440401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002440431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9615 + ... + 45796.

It is an arithmetic number, because the mean of its divisors is an integer number (127447600).

Almost surely, 2^1002440401 is an apocalyptic number.

It is an amenable number.

1002440401 is a deficient number, since it is larger than the sum of its proper divisors (17140399).

1002440401 is an equidigital number, since it uses as much as digits as its factorization.

1002440401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55719.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1002440401 is about 31661.3392167798. The cubic root of 1002440401 is about 1000.8128061671.

Adding to 1002440401 its reverse (1040442001), we get a palindrome (2042882402).

The spelling of 1002440401 in words is "one billion, two million, four hundred forty thousand, four hundred one".