2030342440 has 96 divisors (see below), whose sum is σ = 5457930120. Its totient is φ = 677279232.

The previous prime is 2030342401. The next prime is 2030342459. The reversal of 2030342440 is 442430302.

It can be written as a sum of positive squares in 4 ways, for example, as 2028421444 + 1920996 = 45038^2 + 1386^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58522 + ... + 86518.

Almost surely, 2^2030342440 is an apocalyptic number.

2030342440 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 2030342440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2728965060).

2030342440 is an abundant number, since it is smaller than the sum of its proper divisors (3427587680).

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

2030342440 is a wasteful number, since it uses less digits than its factorization.

2030342440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28059 (or 28048 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 2030342440 is about 45059.3213442014. The cubic root of 2030342440 is about 1266.2606106877.

Adding to 2030342440 its reverse (442430302), we get a palindrome (2472772742).

The spelling of 2030342440 in words is "two billion, thirty million, three hundred forty-two thousand, four hundred forty".