2656490469042 has 16 divisors (see below), whose sum is σ = 5313039975360. Its totient is φ = 885486983472.

The previous prime is 2656490469041. The next prime is 2656490469107. The reversal of 2656490469042 is 2409640946562.

2656490469042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2656490469042² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2656490469041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1863817 + ... + 2964252.

It is an arithmetic number, because the mean of its divisors is an integer number (332064998460).

Almost surely, 2^{2656490469042} is an apocalyptic number.

2656490469042 is an abundant number, since it is smaller than the sum of its proper divisors (2656549506318).

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

2656490469042 is a wasteful number, since it uses less digits than its factorization.

2656490469042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4919777.

The product of its (nonzero) digits is 22394880, while the sum is 57.

The spelling of 2656490469042 in words is "two trillion, six hundred fifty-six billion, four hundred ninety million, four hundred sixty-nine thousand, forty-two".