2656038782 has 8 divisors (see below), whose sum is σ = 3985374000. Its totient is φ = 1327580784.

The previous prime is 2656038779. The next prime is 2656038797. The reversal of 2656038782 is 2878306562.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2656038782² = 14109084022976087048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211682 + ... + 223877.

It is an arithmetic number, because the mean of its divisors is an integer number (498171750).

Almost surely, 2^2656038782 is an apocalyptic number.

2656038782 is a deficient number, since it is larger than the sum of its proper divisors (1329335218).

2656038782 is a wasteful number, since it uses less digits than its factorization.

2656038782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438610.

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 2656038782 is about 51536.7711638981. The cubic root of 2656038782 is about 1384.8778549634.

The spelling of 2656038782 in words is "two billion, six hundred fifty-six million, thirty-eight thousand, seven hundred eighty-two".