2656604242 has 8 divisors (see below), whose sum is σ = 4077578736. Its totient is φ = 1297411332.

The previous prime is 2656604227. The next prime is 2656604257. The reversal of 2656604242 is 2424066562.

It is an interprime number because it is at equal distance from previous prime (2656604227) and next prime (2656604257).

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

It is a super-2 number, since 2×2656604242² = 14115092197224789128, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15445288 + ... + 15445459.

It is an arithmetic number, because the mean of its divisors is an integer number (509697342).

Almost surely, 2^2656604242 is an apocalyptic number.

2656604242 is a deficient number, since it is larger than the sum of its proper divisors (1420974494).

2656604242 is a wasteful number, since it uses less digits than its factorization.

2656604242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30890792.

The product of its (nonzero) digits is 138240, while the sum is 37.

The square root of 2656604242 is about 51542.2568578443. The cubic root of 2656604242 is about 1384.9761263029.

The spelling of 2656604242 in words is "two billion, six hundred fifty-six million, six hundred four thousand, two hundred forty-two".