640120224333 has 16 divisors (see below), whose sum is σ = 866573669376. Its totient is φ = 420211817520.

The previous prime is 640120224313. The next prime is 640120224343. The reversal of 640120224333 is 333422021046.

It is not a de Polignac number, because 640120224333 - 2³² = 635825257037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 640120224333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (640120224313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115023 + ... + 1137308.

It is an arithmetic number, because the mean of its divisors is an integer number (54160854336).

Almost surely, 2^640120224333 is an apocalyptic number.

It is an amenable number.

640120224333 is a deficient number, since it is larger than the sum of its proper divisors (226453445043).

640120224333 is a wasteful number, since it uses less digits than its factorization.

640120224333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254944.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 640120224333 its reverse (333422021046), we get a palindrome (973542245379).

The spelling of 640120224333 in words is "six hundred forty billion, one hundred twenty million, two hundred twenty-four thousand, three hundred thirty-three".