1426288005 has 48 divisors (see below), whose sum is σ = 2564855280. Its totient is φ = 732340224.

The previous prime is 1426287971. The next prime is 1426288069. The reversal of 1426288005 is 5008826241.

It can be written as a sum of positive squares in 8 ways, for example, as 114254721 + 1312033284 = 10689^2 + 36222^2 .

It is not a de Polignac number, because 1426288005 - 2⁹ = 1426287493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 516709 + ... + 519461.

It is an arithmetic number, because the mean of its divisors is an integer number (53434485).

Almost surely, 2^1426288005 is an apocalyptic number.

1426288005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1426288005 is a deficient number, since it is larger than the sum of its proper divisors (1138567275).

1426288005 is a wasteful number, since it uses less digits than its factorization.

1426288005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3190 (or 3187 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 1426288005 is about 37766.2283660945. The cubic root of 1426288005 is about 1125.6474968895.

The spelling of 1426288005 in words is "one billion, four hundred twenty-six million, two hundred eighty-eight thousand, five".