1640045314 has 8 divisors (see below), whose sum is σ = 2567027520. Its totient is φ = 784369476.

The previous prime is 1640045299. The next prime is 1640045317. The reversal of 1640045314 is 4135400461.

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 (1640045317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17826534 + ... + 17826625.

It is an arithmetic number, because the mean of its divisors is an integer number (320878440).

Almost surely, 2^1640045314 is an apocalyptic number.

1640045314 is a deficient number, since it is larger than the sum of its proper divisors (926982206).

1640045314 is a wasteful number, since it uses less digits than its factorization.

1640045314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35653184.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1640045314 is about 40497.4729335054. The cubic root of 1640045314 is about 1179.2845691966.

Adding to 1640045314 its reverse (4135400461), we get a palindrome (5775445775).

The spelling of 1640045314 in words is "one billion, six hundred forty million, forty-five thousand, three hundred fourteen".