2050840440 has 192 divisors, whose sum is σ = 7468212960. Its totient is φ = 483701760.

The previous prime is 2050840427. The next prime is 2050840447. The reversal of 2050840440 is 440480502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2050840447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 139522 + ... + 153518.

Almost surely, 2^2050840440 is an apocalyptic number.

2050840440 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 2050840440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3734106480).

2050840440 is an abundant number, since it is smaller than the sum of its proper divisors (5417372520).

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

2050840440 is a wasteful number, since it uses less digits than its factorization.

2050840440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14062 (or 14055 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 2050840440 is about 45286.2058468139. The cubic root of 2050840440 is about 1270.5076689868.

The spelling of 2050840440 in words is "two billion, fifty million, eight hundred forty thousand, four hundred forty".