2055232140 has 96 divisors (see below), whose sum is σ = 6206880960. Its totient is φ = 505122816.

The previous prime is 2055232129. The next prime is 2055232199. The reversal of 2055232140 is 412325502.

It is a self number, because there is not a number n which added to its sum of digits gives 2055232140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 629392 + ... + 632648.

It is an arithmetic number, because the mean of its divisors is an integer number (64655010).

Almost surely, 2^2055232140 is an apocalyptic number.

2055232140 is a gapful number since it is divisible by the number (20) 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 2055232140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3103440480).

2055232140 is an abundant number, since it is smaller than the sum of its proper divisors (4151648820).

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

2055232140 is a wasteful number, since it uses less digits than its factorization.

2055232140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4091 (or 4089 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2055232140 is about 45334.6681911316. The cubic root of 2055232140 is about 1271.4139170373.

Adding to 2055232140 its reverse (412325502), we get a palindrome (2467557642).

The spelling of 2055232140 in words is "two billion, fifty-five million, two hundred thirty-two thousand, one hundred forty".