640196034 has 8 divisors (see below), whose sum is σ = 1280392080. Its totient is φ = 213398676.

The previous prime is 640196027. The next prime is 640196041. The reversal of 640196034 is 430691046.

It is an interprime number because it is at equal distance from previous prime (640196027) and next prime (640196041).

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

640196034 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 640195986 and 640196004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53349664 + ... + 53349675.

It is an arithmetic number, because the mean of its divisors is an integer number (160049010).

Almost surely, 2^640196034 is an apocalyptic number.

640196034 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

640196034 is a wasteful number, since it uses less digits than its factorization.

640196034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106699344.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 640196034 is about 25302.0954468202. The cubic root of 640196034 is about 861.8618550410.

The spelling of 640196034 in words is "six hundred forty million, one hundred ninety-six thousand, thirty-four".