1002400066 has 8 divisors (see below), whose sum is σ = 1552103424. Its totient is φ = 485032260.

The previous prime is 1002400031. The next prime is 1002400163. The reversal of 1002400066 is 6600042001.

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

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, 8083810 + ... + 8083933.

It is an arithmetic number, because the mean of its divisors is an integer number (194012928).

Almost surely, 2^1002400066 is an apocalyptic number.

1002400066 is a deficient number, since it is larger than the sum of its proper divisors (549703358).

1002400066 is a wasteful number, since it uses less digits than its factorization.

1002400066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16167776.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1002400066 is about 31660.7022347894. The cubic root of 1002400066 is about 1000.7993828168.

Adding to 1002400066 its reverse (6600042001), we get a palindrome (7602442067).

The spelling of 1002400066 in words is "one billion, two million, four hundred thousand, sixty-six".