64421030455360 has 112 divisors (see below), whose sum is σ = 154514346978816. Its totient is φ = 25582223665152.

The previous prime is 64421030455333. The next prime is 64421030455391. The reversal of 64421030455360 is 6355403012446.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28083949 + ... + 30291091.

Almost surely, 2^{64421030455360} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64421030455360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77257173489408).

64421030455360 is an abundant number, since it is smaller than the sum of its proper divisors (90093316523456).

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

64421030455360 is a wasteful number, since it uses less digits than its factorization.

64421030455360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207820 (or 2207810 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 64421030455360 in words is "sixty-four trillion, four hundred twenty-one billion, thirty million, four hundred fifty-five thousand, three hundred sixty".