2153250303444 has 36 divisors (see below), whose sum is σ = 5575692862740. Its totient is φ = 700244000640.

The previous prime is 2153250303419. The next prime is 2153250303467. The reversal of 2153250303444 is 4443030523512.

2153250303444 is a `hidden beast` number, since 2 + 1 + 532 + 50 + 3 + 0 + 34 + 44 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 339213056400 + 1814037247044 = 582420^2 + 1346862^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2153250303444² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2153250303399 and 2153250303408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 729419359 + ... + 729422310.

Almost surely, 2^{2153250303444} is an apocalyptic number.

It is an amenable number.

2153250303444 is an abundant number, since it is smaller than the sum of its proper divisors (3422442559296).

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

2153250303444 is a wasteful number, since it uses less digits than its factorization.

2153250303444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458841720 (or 1458841715 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 2153250303444 its reverse (4443030523512), we get a palindrome (6596280826956).

The spelling of 2153250303444 in words is "two trillion, one hundred fifty-three billion, two hundred fifty million, three hundred three thousand, four hundred forty-four".