2278180674 has 128 divisors (see below), whose sum is σ = 6644275200. Its totient is φ = 560571840.

The previous prime is 2278180649. The next prime is 2278180777. The reversal of 2278180674 is 4760818722.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64584 + ... + 93420.

It is an arithmetic number, because the mean of its divisors is an integer number (51908400).

Almost surely, 2^2278180674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2278180674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3322137600).

2278180674 is an abundant number, since it is smaller than the sum of its proper divisors (4366094526).

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

2278180674 is a wasteful number, since it uses less digits than its factorization.

2278180674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28885 (or 28879 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 2278180674 is about 47730.2909482019. The cubic root of 2278180674 is about 1315.8187009077.

The spelling of 2278180674 in words is "two billion, two hundred seventy-eight million, one hundred eighty thousand, six hundred seventy-four".