1426115556 has 36 divisors (see below), whose sum is σ = 3640604604. Its totient is φ = 470664000.

The previous prime is 1426115539. The next prime is 1426115557. The reversal of 1426115556 is 6555116241.

1426115556 is a `hidden beast` number, since 1 + 42 + 61 + 1 + 5 + 556 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 717704100 + 708411456 = 26790^2 + 26616^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1426115556.

It is not an unprimeable number, because it can be changed into a prime (1426115557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192475 + ... + 199746.

Almost surely, 2^1426115556 is an apocalyptic number.

It is an amenable number.

1426115556 is an abundant number, since it is smaller than the sum of its proper divisors (2214489048).

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

1426115556 is a wasteful number, since it uses less digits than its factorization.

1426115556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392332 (or 392327 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 1426115556 is about 37763.9451858515. The cubic root of 1426115556 is about 1125.6021286309.

The spelling of 1426115556 in words is "one billion, four hundred twenty-six million, one hundred fifteen thousand, five hundred fifty-six".