2656054642 has 8 divisors (see below), whose sum is σ = 4112600832. Its totient is φ = 1285187700.

The previous prime is 2656054637. The next prime is 2656054693. The reversal of 2656054642 is 2464506562.

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

It is a super-2 number, since 2×2656054642² = 14109252522579496328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2656054595 and 2656054604.

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, 21419734 + ... + 21419857.

It is an arithmetic number, because the mean of its divisors is an integer number (514075104).

Almost surely, 2^2656054642 is an apocalyptic number.

2656054642 is a deficient number, since it is larger than the sum of its proper divisors (1456546190).

2656054642 is a wasteful number, since it uses less digits than its factorization.

2656054642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42839624.

The product of its (nonzero) digits is 345600, while the sum is 40.

The square root of 2656054642 is about 51536.9250343868. The cubic root of 2656054642 is about 1384.8806114642.

The spelling of 2656054642 in words is "two billion, six hundred fifty-six million, fifty-four thousand, six hundred forty-two".