2656311332 has 12 divisors (see below), whose sum is σ = 4652469360. Its totient is φ = 1327034376.

The previous prime is 2656311313. The next prime is 2656311367. The reversal of 2656311332 is 2331136562.

It is a super-2 number, since 2×2656311332² = 14111979785023228448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274982 + ... + 284477.

It is an arithmetic number, because the mean of its divisors is an integer number (387705780).

Almost surely, 2^2656311332 is an apocalyptic number.

It is an amenable number.

2656311332 is a deficient number, since it is larger than the sum of its proper divisors (1996158028).

2656311332 is a wasteful number, since it uses less digits than its factorization.

2656311332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560650 (or 560648 counting only the distinct ones).

The product of its digits is 19440, while the sum is 32.

The square root of 2656311332 is about 51539.4153245843. The cubic root of 2656311332 is about 1384.9252231911.

Adding to 2656311332 its reverse (2331136562), we get a palindrome (4987447894).

The spelling of 2656311332 in words is "two billion, six hundred fifty-six million, three hundred eleven thousand, three hundred thirty-two".