2051602340 has 12 divisors (see below), whose sum is σ = 4308364956. Its totient is φ = 820640928.

The previous prime is 2051602337. The next prime is 2051602363. The reversal of 2051602340 is 432061502.

It can be written as a sum of positive squares in 2 ways, for example, as 838334116 + 1213268224 = 28954^2 + 34832^2 .

It is a super-2 number, since 2×2051602340² = 8418144322986951200, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 51290039 + ... + 51290078.

It is an arithmetic number, because the mean of its divisors is an integer number (359030413).

Almost surely, 2^2051602340 is an apocalyptic number.

2051602340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2051602340 is an abundant number, since it is smaller than the sum of its proper divisors (2256762616).

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

2051602340 is a wasteful number, since it uses less digits than its factorization.

2051602340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102580126 (or 102580124 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2051602340 is about 45294.6171194768. The cubic root of 2051602340 is about 1270.6649833453.

Adding to 2051602340 its reverse (432061502), we get a palindrome (2483663842).

The spelling of 2051602340 in words is "two billion, fifty-one million, six hundred two thousand, three hundred forty".