21734248536000 has 7168 divisors, whose sum is σ = 116333730938880. Its totient is φ = 3869835264000.

The previous prime is 21734248535999. The next prime is 21734248536037. The reversal of 21734248536000 is 63584243712.

21734248536000 is a `hidden beast` number, since 2 + 1 + 7 + 34 + 2 + 4 + 8 + 5 + 3 + 600 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 1023 ways as a sum of consecutive naturals, for example, 297729431964 + ... + 297729432036.

It is an arithmetic number, because the mean of its divisors is an integer number (16229594160).

Almost surely, 2^{21734248536000} is an apocalyptic number.

21734248536000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21734248536000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58166865469440).

21734248536000 is an abundant number, since it is smaller than the sum of its proper divisors (94599482402880).

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

21734248536000 is a wasteful number, since it uses less digits than its factorization.

21734248536000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 21734248536000 in words is "twenty-one trillion, seven hundred thirty-four billion, two hundred forty-eight million, five hundred thirty-six thousand".