640303242303046 has 8 divisors (see below), whose sum is σ = 1097662701090960. Its totient is φ = 274415675272728.

The previous prime is 640303242303001. The next prime is 640303242303047.

640303242303046 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (640303242303047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22867972939381 + ... + 22867972939408.

It is an arithmetic number, because the mean of its divisors is an integer number (137207837636370).

Almost surely, 2^{640303242303046} is an apocalyptic number.

640303242303046 is a deficient number, since it is larger than the sum of its proper divisors (457359458787914).

640303242303046 is a wasteful number, since it uses less digits than its factorization.

640303242303046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45735945878798.

The product of its (nonzero) digits is 746496, while the sum is 40.

The spelling of 640303242303046 in words is "six hundred forty trillion, three hundred three billion, two hundred forty-two million, three hundred three thousand, forty-six".