2656671042 has 32 divisors (see below), whose sum is σ = 5462052480. Its totient is φ = 861114240.

The previous prime is 2656671041. The next prime is 2656671053. The reversal of 2656671042 is 2401766562.

It is not an unprimeable number, because it can be changed into a prime (2656671041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11617 + ... + 73812.

It is an arithmetic number, because the mean of its divisors is an integer number (170689140).

Almost surely, 2^2656671042 is an apocalyptic number.

2656671042 is an abundant number, since it is smaller than the sum of its proper divisors (2805381438).

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

2656671042 is a wasteful number, since it uses less digits than its factorization.

2656671042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85578.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 2656671042 is about 51542.9048657524. The cubic root of 2656671042 is about 1384.9877345593.

The spelling of 2656671042 in words is "two billion, six hundred fifty-six million, six hundred seventy-one thousand, forty-two".