2050440520 has 16 divisors (see below), whose sum is σ = 4613491260. Its totient is φ = 820176192.

The previous prime is 2050440517. The next prime is 2050440523. The reversal of 2050440520 is 250440502.

It is an interprime number because it is at equal distance from previous prime (2050440517) and next prime (2050440523).

It can be written as a sum of positive squares in 2 ways, for example, as 1978292484 + 72148036 = 44478^2 + 8494^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2050440491 and 2050440500.

It is not an unprimeable number, because it can be changed into a prime (2050440523) 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 3 ways as a sum of consecutive naturals, for example, 25630467 + ... + 25630546.

Almost surely, 2^2050440520 is an apocalyptic number.

2050440520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2050440520 is an abundant number, since it is smaller than the sum of its proper divisors (2563050740).

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

2050440520 is a wasteful number, since it uses less digits than its factorization.

2050440520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51261024 (or 51261020 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 2050440520 is about 45281.7901589590. The cubic root of 2050440520 is about 1270.4250793570.

The spelling of 2050440520 in words is "two billion, fifty million, four hundred forty thousand, five hundred twenty".