64562048824 has 128 divisors (see below), whose sum is σ = 151138391040. Its totient is φ = 25174996992.

The previous prime is 64562048813. The next prime is 64562048839. The reversal of 64562048824 is 42884026546.

It is a super-3 number, since 3×64562048824³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17019472 + ... + 17023264.

It is an arithmetic number, because the mean of its divisors is an integer number (1180768680).

Almost surely, 2^64562048824 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 64562048824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75569195520).

64562048824 is an abundant number, since it is smaller than the sum of its proper divisors (86576342216).

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

64562048824 is a wasteful number, since it uses less digits than its factorization.

64562048824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4149 (or 4145 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 49.

The spelling of 64562048824 in words is "sixty-four billion, five hundred sixty-two million, forty-eight thousand, eight hundred twenty-four".