2155413332 has 12 divisors (see below), whose sum is σ = 3810860340. Its totient is φ = 1066596096.

The previous prime is 2155413331. The next prime is 2155413343. The reversal of 2155413332 is 2333145512.

It is a happy number.

2155413332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1602881296 + 552532036 = 40036^2 + 23506^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2155413295 and 2155413304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155413331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2777207 + ... + 2777982.

It is an arithmetic number, because the mean of its divisors is an integer number (317571695).

Almost surely, 2^2155413332 is an apocalyptic number.

It is an amenable number.

2155413332 is a deficient number, since it is larger than the sum of its proper divisors (1655447008).

2155413332 is a wasteful number, since it uses less digits than its factorization.

2155413332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555290 (or 5555288 counting only the distinct ones).

The product of its digits is 10800, while the sum is 29.

The square root of 2155413332 is about 46426.4292402506. The cubic root of 2155413332 is about 1291.7451955605.

Adding to 2155413332 its reverse (2333145512), we get a palindrome (4488558844).

The spelling of 2155413332 in words is "two billion, one hundred fifty-five million, four hundred thirteen thousand, three hundred thirty-two".