2656555442 has 8 divisors (see below), whose sum is σ = 3985359276. Its totient is φ = 1328102352.

The previous prime is 2656555409. The next prime is 2656555463. The reversal of 2656555442 is 2445556562.

It can be written as a sum of positive squares in 2 ways, for example, as 2591929921 + 64625521 = 50911^2 + 8039^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2656555393 and 2656555402.

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, 67853 + ... + 99584.

Almost surely, 2^2656555442 is an apocalyptic number.

2656555442 is a deficient number, since it is larger than the sum of its proper divisors (1328803834).

2656555442 is a wasteful number, since it uses less digits than its factorization.

2656555442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175372.

The product of its digits is 1440000, while the sum is 44.

The square root of 2656555442 is about 51541.7834576958. The cubic root of 2656555442 is about 1384.9676458967.

The spelling of 2656555442 in words is "two billion, six hundred fifty-six million, five hundred fifty-five thousand, four hundred forty-two".