64005446228276 has 24 divisors (see below), whose sum is σ = 128011324914816. Its totient is φ = 27430812856800.

The previous prime is 64005446228267. The next prime is 64005446228303. The reversal of 64005446228276 is 67282264450046.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4925801 + ... + 12339951.

It is an arithmetic number, because the mean of its divisors is an integer number (5333805204784).

Almost surely, 2^{64005446228276} is an apocalyptic number.

It is an amenable number.

64005446228276 is an abundant number, since it is smaller than the sum of its proper divisors (64005878686540).

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

64005446228276 is a wasteful number, since it uses less digits than its factorization.

64005446228276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7722479 (or 7722477 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 56.

The spelling of 64005446228276 in words is "sixty-four trillion, five billion, four hundred forty-six million, two hundred twenty-eight thousand, two hundred seventy-six".