64240606550 has 48 divisors (see below), whose sum is σ = 124753256352. Its totient is φ = 24565094400.

The previous prime is 64240606523. The next prime is 64240606579. The reversal of 64240606550 is 5560604246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2143670 + ... + 2173430.

It is an arithmetic number, because the mean of its divisors is an integer number (2599026174).

Almost surely, 2^64240606550 is an apocalyptic number.

64240606550 is a deficient number, since it is larger than the sum of its proper divisors (60512649802).

64240606550 is a wasteful number, since it uses less digits than its factorization.

64240606550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31673 (or 31668 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 64240606550 in words is "sixty-four billion, two hundred forty million, six hundred six thousand, five hundred fifty".