640452152103 has 8 divisors (see below), whose sum is σ = 853961222400. Its totient is φ = 426955591608.

The previous prime is 640452152083. The next prime is 640452152177. The reversal of 640452152103 is 301251254046.

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

It is not a de Polignac number, because 640452152103 - 2³⁷ = 503013198631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (640452152183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3007333 + ... + 3213246.

It is an arithmetic number, because the mean of its divisors is an integer number (106745152800).

Almost surely, 2^640452152103 is an apocalyptic number.

640452152103 is a deficient number, since it is larger than the sum of its proper divisors (213509070297).

640452152103 is a wasteful number, since it uses less digits than its factorization.

640452152103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6254901.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 640452152103 in words is "six hundred forty billion, four hundred fifty-two million, one hundred fifty-two thousand, one hundred three".