1640370314 has 16 divisors (see below), whose sum is σ = 2690236800. Its totient is φ = 743957760.

The previous prime is 1640370311. The next prime is 1640370367. The reversal of 1640370314 is 4130730461.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1640370311) 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 7 ways as a sum of consecutive naturals, for example, 73154 + ... + 92909.

It is an arithmetic number, because the mean of its divisors is an integer number (168139800).

Almost surely, 2^1640370314 is an apocalyptic number.

1640370314 is a deficient number, since it is larger than the sum of its proper divisors (1049866486).

1640370314 is a wasteful number, since it uses less digits than its factorization.

1640370314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166525.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 1640370314 is about 40501.4853307876. The cubic root of 1640370314 is about 1179.3624617946.

The spelling of 1640370314 in words is "one billion, six hundred forty million, three hundred seventy thousand, three hundred fourteen".