2781074044 has 24 divisors (see below), whose sum is σ = 5565476448. Its totient is φ = 1191175680.

The previous prime is 2781074041. The next prime is 2781074113. The reversal of 2781074044 is 4404701872.

It is a junction number, because it is equal to n+sod(n) for n = 2781073994 and 2781074012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2781074041) 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 7 ways as a sum of consecutive naturals, for example, 19332 + ... + 77044.

It is an arithmetic number, because the mean of its divisors is an integer number (231894852).

Almost surely, 2^2781074044 is an apocalyptic number.

It is an amenable number.

2781074044 is an abundant number, since it is smaller than the sum of its proper divisors (2784402404).

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

2781074044 is a wasteful number, since it uses less digits than its factorization.

2781074044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59445 (or 59443 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 37.

The square root of 2781074044 is about 52735.8895250663. The cubic root of 2781074044 is about 1406.2769247612.

The spelling of 2781074044 in words is "two billion, seven hundred eighty-one million, seventy-four thousand, forty-four".