21736065441060 has 192 divisors, whose sum is σ = 68686425292800. Its totient is φ = 5705296020864.

The previous prime is 21736065441053. The next prime is 21736065441089. The reversal of 21736065441060 is 6014456063712.

21736065441060 is a `hidden beast` number, since 2 + 1 + 7 + 36 + 0 + 6 + 544 + 10 + 60 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 21736065440997 and 21736065441015.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46039359 + ... + 46509081.

It is an arithmetic number, because the mean of its divisors is an integer number (357741798400).

Almost surely, 2^{21736065441060} is an apocalyptic number.

21736065441060 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 21736065441060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34343212646400).

21736065441060 is an abundant number, since it is smaller than the sum of its proper divisors (46950359851740).

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

21736065441060 is a wasteful number, since it uses less digits than its factorization.

21736065441060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471087 (or 471079 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 21736065441060 in words is "twenty-one trillion, seven hundred thirty-six billion, sixty-five million, four hundred forty-one thousand, sixty".