2782942650 has 192 divisors, whose sum is σ = 7934492160. Its totient is φ = 716774400.

The previous prime is 2782942639. The next prime is 2782942651. The reversal of 2782942650 is 562492872.

2782942650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 2782942596 and 2782942605.

It is not an unprimeable number, because it can be changed into a prime (2782942651) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7582767 + ... + 7583133.

It is an arithmetic number, because the mean of its divisors is an integer number (41325480).

Almost surely, 2^2782942650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2782942650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3967246080).

2782942650 is an abundant number, since it is smaller than the sum of its proper divisors (5151549510).

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

2782942650 is a wasteful number, since it uses less digits than its factorization.

2782942650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566 (or 555 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 2782942650 is about 52753.6031944738. The cubic root of 2782942650 is about 1406.5918137983.

The spelling of 2782942650 in words is "two billion, seven hundred eighty-two million, nine hundred forty-two thousand, six hundred fifty".