2030786440 has 64 divisors (see below), whose sum is σ = 4844252160. Its totient is φ = 764847360.

The previous prime is 2030786423. The next prime is 2030786473. The reversal of 2030786440 is 446870302.

It is a junction number, because it is equal to n+sod(n) for n = 2030786396 and 2030786405.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23749 + ... + 68011.

It is an arithmetic number, because the mean of its divisors is an integer number (75691440).

Almost surely, 2^2030786440 is an apocalyptic number.

2030786440 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 2030786440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2422126080).

2030786440 is an abundant number, since it is smaller than the sum of its proper divisors (2813465720).

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

2030786440 is a wasteful number, since it uses less digits than its factorization.

2030786440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44342 (or 44338 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 2030786440 is about 45064.2479133958. The cubic root of 2030786440 is about 1266.3529068972.

The spelling of 2030786440 in words is "two billion, thirty million, seven hundred eighty-six thousand, four hundred forty".