10653420620444 has 144 divisors (see below), whose sum is σ = 22037552167680. Its totient is φ = 4492720028160.

The previous prime is 10653420620393. The next prime is 10653420620459. The reversal of 10653420620444 is 44402602435601.

It is a super-2 number, since 2×10653420620444² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1905456089 + ... + 1905461679.

It is an arithmetic number, because the mean of its divisors is an integer number (153038556720).

Almost surely, 2^{10653420620444} is an apocalyptic number.

10653420620444 is a gapful number since it is divisible by the number (14) 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 10653420620444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11018776083840).

10653420620444 is an abundant number, since it is smaller than the sum of its proper divisors (11384131547236).

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

10653420620444 is a wasteful number, since it uses less digits than its factorization.

10653420620444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6328 (or 6319 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 41.

The spelling of 10653420620444 in words is "ten trillion, six hundred fifty-three billion, four hundred twenty million, six hundred twenty thousand, four hundred forty-four".