64005840572 has 12 divisors (see below), whose sum is σ = 113268763440. Its totient is φ = 31643336736.

The previous prime is 64005840553. The next prime is 64005840611. The reversal of 64005840572 is 27504850046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89895488 + ... + 89896199.

It is an arithmetic number, because the mean of its divisors is an integer number (9439063620).

Almost surely, 2^64005840572 is an apocalyptic number.

It is an amenable number.

64005840572 is a deficient number, since it is larger than the sum of its proper divisors (49262922868).

64005840572 is a wasteful number, since it uses less digits than its factorization.

64005840572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179791780 (or 179791778 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 64005840572 in words is "sixty-four billion, five million, eight hundred forty thousand, five hundred seventy-two".