2153514432 has 112 divisors (see below), whose sum is σ = 5858012160. Its totient is φ = 697869312.

The previous prime is 2153514409. The next prime is 2153514443. The reversal of 2153514432 is 2344153512.

It is a self number, because there is not a number n which added to its sum of digits gives 2153514432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1506294 + ... + 1507722.

It is an arithmetic number, because the mean of its divisors is an integer number (52303680).

Almost surely, 2^2153514432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2153514432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2929006080).

2153514432 is an abundant number, since it is smaller than the sum of its proper divisors (3704497728).

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

2153514432 is a wasteful number, since it uses less digits than its factorization.

2153514432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658 (or 1648 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 2153514432 is about 46405.9740981697. The cubic root of 2153514432 is about 1291.3657454268.

Adding to 2153514432 its reverse (2344153512), we get a palindrome (4497667944).

The spelling of 2153514432 in words is "two billion, one hundred fifty-three million, five hundred fourteen thousand, four hundred thirty-two".