64230980688 has 240 divisors, whose sum is σ = 209709077760. Its totient is φ = 17971439616.

The previous prime is 64230980663. The next prime is 64230980701. The reversal of 64230980688 is 88608903246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44822020 + ... + 44823452.

It is an arithmetic number, because the mean of its divisors is an integer number (873787824).

Almost surely, 2^64230980688 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 64230980688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104854538880).

64230980688 is an abundant number, since it is smaller than the sum of its proper divisors (145478097072).

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

64230980688 is a wasteful number, since it uses less digits than its factorization.

64230980688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2346 (or 2337 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 64230980688 in words is "sixty-four billion, two hundred thirty million, nine hundred eighty thousand, six hundred eighty-eight".