2152040450 has 48 divisors (see below), whose sum is σ = 4579260480. Its totient is φ = 737094720.

The previous prime is 2152040419. The next prime is 2152040477. The reversal of 2152040450 is 540402512.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 427649 + ... + 432651.

It is an arithmetic number, because the mean of its divisors is an integer number (95401260).

Almost surely, 2^2152040450 is an apocalyptic number.

2152040450 is an abundant number, since it is smaller than the sum of its proper divisors (2427220030).

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

2152040450 is a wasteful number, since it uses less digits than its factorization.

2152040450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6251 (or 6246 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 2152040450 is about 46390.0899977571. The cubic root of 2152040450 is about 1291.0710512785.

Adding to 2152040450 its reverse (540402512), we get a palindrome (2692442962).

The spelling of 2152040450 in words is "two billion, one hundred fifty-two million, forty thousand, four hundred fifty".