1004025400666 has 8 divisors (see below), whose sum is σ = 1506047544864. Its totient is φ = 502009552380.

The previous prime is 1004025400621. The next prime is 1004025400667. The reversal of 1004025400666 is 6660045204001.

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

It is not an unprimeable number, because it can be changed into a prime (1004025400667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1152750 + ... + 1826713.

It is an arithmetic number, because the mean of its divisors is an integer number (188255943108).

Almost surely, 2^{1004025400666} is an apocalyptic number.

1004025400666 is a deficient number, since it is larger than the sum of its proper divisors (502022144198).

1004025400666 is a wasteful number, since it uses less digits than its factorization.

1004025400666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3147956.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 1004025400666 in words is "one trillion, four billion, twenty-five million, four hundred thousand, six hundred sixty-six".