64040606606262 has 64 divisors (see below), whose sum is σ = 151716612741120. Its totient is φ = 17913456364320.

The previous prime is 64040606606161. The next prime is 64040606606293. The reversal of 64040606606262 is 26260660604046.

It is a super-2 number, since 2×64040606606262² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 308323462 + ... + 308531097.

It is an arithmetic number, because the mean of its divisors is an integer number (2370572074080).

Almost surely, 2^{64040606606262} is an apocalyptic number.

64040606606262 is an abundant number, since it is smaller than the sum of its proper divisors (87676006134858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64040606606262 is a wasteful number, since it uses less digits than its factorization.

64040606606262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616854610 (or 616854588 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 48.

The spelling of 64040606606262 in words is "sixty-four trillion, forty billion, six hundred six million, six hundred six thousand, two hundred sixty-two".