640006361035 has 8 divisors (see below), whose sum is σ = 792782073216. Its totient is φ = 495488795520.

The previous prime is 640006361021. The next prime is 640006361047. The reversal of 640006361035 is 530163600046.

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

It is not a de Polignac number, because 640006361035 - 2³⁵ = 605646622667 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2064536494 + ... + 2064536803.

It is an arithmetic number, because the mean of its divisors is an integer number (99097759152).

Almost surely, 2^640006361035 is an apocalyptic number.

640006361035 is a deficient number, since it is larger than the sum of its proper divisors (152775712181).

640006361035 is a wasteful number, since it uses less digits than its factorization.

640006361035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4129073333.

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 640006361035 in words is "six hundred forty billion, six million, three hundred sixty-one thousand, thirty-five".