1040648515406 has 8 divisors (see below), whose sum is σ = 1560988653960. Its totient is φ = 520318964088.

The previous prime is 1040648515393. The next prime is 1040648515411. The reversal of 1040648515406 is 6045158460401.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2396336 + ... + 2797091.

It is an arithmetic number, because the mean of its divisors is an integer number (195123581745).

Almost surely, 2^{1040648515406} is an apocalyptic number.

1040648515406 is a deficient number, since it is larger than the sum of its proper divisors (520340138554).

1040648515406 is a wasteful number, since it uses less digits than its factorization.

1040648515406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5293618.

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 1040648515406 in words is "one trillion, forty billion, six hundred forty-eight million, five hundred fifteen thousand, four hundred six".