2656206415042 has 16 divisors (see below), whose sum is σ = 4012420908960. Its totient is φ = 1318763654208.

The previous prime is 2656206415021. The next prime is 2656206415129. The reversal of 2656206415042 is 2405146026562.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2656206415042.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7546503 + ... + 7890634.

It is an arithmetic number, because the mean of its divisors is an integer number (250776306810).

Almost surely, 2^{2656206415042} is an apocalyptic number.

2656206415042 is a deficient number, since it is larger than the sum of its proper divisors (1356214493918).

2656206415042 is a wasteful number, since it uses less digits than its factorization.

2656206415042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15437745.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 2656206415042 in words is "two trillion, six hundred fifty-six billion, two hundred six million, four hundred fifteen thousand, forty-two".