21032453597760 has 840 divisors, whose sum is σ = 82504170036288. Its totient is φ = 5082146150400.

The previous prime is 21032453597689. The next prime is 21032453597761. The reversal of 21032453597760 is 6779535423012.

21032453597760 is a `hidden beast` number, since 2 + 1 + 0 + 3 + 2 + 45 + 3 + 597 + 7 + 6 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 21032453597697 and 21032453597706.

It is not an unprimeable number, because it can be changed into a prime (21032453597761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 975384739 + ... + 975406301.

Almost surely, 2^{21032453597760} is an apocalyptic number.

21032453597760 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 21032453597760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41252085018144).

21032453597760 is an abundant number, since it is smaller than the sum of its proper divisors (61471716438528).

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

21032453597760 is a wasteful number, since it uses less digits than its factorization.

21032453597760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21925 (or 21895 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 54.

The spelling of 21032453597760 in words is "twenty-one trillion, thirty-two billion, four hundred fifty-three million, five hundred ninety-seven thousand, seven hundred sixty".