10453221450 has 288 divisors, whose sum is σ = 35274974400. Its totient is φ = 2263282560.

The previous prime is 10453221433. The next prime is 10453221473. The reversal of 10453221450 is 5412235401.

10453221450 is a `hidden beast` number, since 104 + 532 + 21 + 4 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1252692 + ... + 1261008.

It is an arithmetic number, because the mean of its divisors is an integer number (122482550).

Almost surely, 2^10453221450 is an apocalyptic number.

10453221450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10453221450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17637487200).

10453221450 is an abundant number, since it is smaller than the sum of its proper divisors (24821752950).

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

10453221450 is a wasteful number, since it uses less digits than its factorization.

10453221450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8371 (or 8353 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 10453221450 its reverse (5412235401), we get a palindrome (15865456851).

The spelling of 10453221450 in words is "ten billion, four hundred fifty-three million, two hundred twenty-one thousand, four hundred fifty".