64223830356390 has 256 divisors, whose sum is σ = 174111812582400. Its totient is φ = 16843994302464.

The previous prime is 64223830356359. The next prime is 64223830356403. The reversal of 64223830356390 is 9365303832246.

It is a happy number.

64223830356390 is a `hidden beast` number, since 6 + 4 + 223 + 8 + 30 + 356 + 39 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 15449560192 + ... + 15449564348.

It is an arithmetic number, because the mean of its divisors is an integer number (680124267900).

Almost surely, 2^{64223830356390} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64223830356390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87055906291200).

64223830356390 is an abundant number, since it is smaller than the sum of its proper divisors (109887982226010).

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

64223830356390 is a wasteful number, since it uses less digits than its factorization.

64223830356390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8068 (or 8062 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 54.

The spelling of 64223830356390 in words is "sixty-four trillion, two hundred twenty-three billion, eight hundred thirty million, three hundred fifty-six thousand, three hundred ninety".