2591674056 has 40 divisors (see below), whose sum is σ = 7259088870. Its totient is φ = 863891136.

The previous prime is 2591674051. The next prime is 2591674067. The reversal of 2591674056 is 6504761952.

2591674056 is a `hidden beast` number, since 2 + 591 + 6 + 7 + 4 + 0 + 56 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2033108100 + 558565956 = 45090^2 + 23634^2 .

It is a super-2 number, since 2×2591674056² = 13433548825086982272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2591674051) 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 9 ways as a sum of consecutive naturals, for example, 1999101 + ... + 2000396.

Almost surely, 2^2591674056 is an apocalyptic number.

It is an amenable number.

2591674056 is an abundant number, since it is smaller than the sum of its proper divisors (4667414814).

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

2591674056 is a wasteful number, since it uses less digits than its factorization.

2591674056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3999515 (or 3999502 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 2591674056 is about 50908.4870723929. The cubic root of 2591674056 is about 1373.5995095239.

The spelling of 2591674056 in words is "two billion, five hundred ninety-one million, six hundred seventy-four thousand, fifty-six".