2030542450 has 24 divisors (see below), whose sum is σ = 3828552948. Its totient is φ = 801089280.

The previous prime is 2030542433. The next prime is 2030542453. The reversal of 2030542450 is 542450302.

It can be written as a sum of positive squares in 6 ways, for example, as 506655081 + 1523887369 = 22509^2 + 39037^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (2030542453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 274507 + ... + 281806.

Almost surely, 2^2030542450 is an apocalyptic number.

2030542450 is a deficient number, since it is larger than the sum of its proper divisors (1798010498).

2030542450 is a wasteful number, since it uses less digits than its factorization.

2030542450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556398 (or 556393 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 2030542450 is about 45061.5406971400. The cubic root of 2030542450 is about 1266.3021893009.

Adding to 2030542450 its reverse (542450302), we get a palindrome (2572992752).

The spelling of 2030542450 in words is "two billion, thirty million, five hundred forty-two thousand, four hundred fifty".