2840038056 has 96 divisors (see below), whose sum is σ = 7840048320. Its totient is φ = 928569600.

The previous prime is 2840038051. The next prime is 2840038079. The reversal of 2840038056 is 6508300482.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2840038056.

It is not an unprimeable number, because it can be changed into a prime (2840038051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1077316 + ... + 1079948.

It is an arithmetic number, because the mean of its divisors is an integer number (81667170).

Almost surely, 2^2840038056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2840038056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3920024160).

2840038056 is an abundant number, since it is smaller than the sum of its proper divisors (5000010264).

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

2840038056 is a wasteful number, since it uses less digits than its factorization.

2840038056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2927 (or 2920 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 2840038056 is about 53292.0074307583. The cubic root of 2840038056 is about 1416.1460756130.

The spelling of 2840038056 in words is "two billion, eight hundred forty million, thirty-eight thousand, fifty-six".