1040668351 has 4 divisors (see below), whose sum is σ = 1040736400. Its totient is φ = 1040600304.

The previous prime is 1040668337. The next prime is 1040668381. The reversal of 1040668351 is 1538660401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1040668351 - 2⁵ = 1040668319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040668331) by changing a digit.

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, 790 + ... + 45628.

It is an arithmetic number, because the mean of its divisors is an integer number (260184100).

Almost surely, 2^1040668351 is an apocalyptic number.

1040668351 is a deficient number, since it is larger than the sum of its proper divisors (68049).

1040668351 is an equidigital number, since it uses as much as digits as its factorization.

1040668351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68048.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 1040668351 is about 32259.3916712637. The cubic root of 1040668351 is about 1013.3763913515.

The spelling of 1040668351 in words is "one billion, forty million, six hundred sixty-eight thousand, three hundred fifty-one".