1426385266 has 4 divisors (see below), whose sum is σ = 2139577902. Its totient is φ = 713192632.

The previous prime is 1426385263. The next prime is 1426385269. The reversal of 1426385266 is 6625836241.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1426385263) and next prime (1426385269).

It can be written as a sum of positive squares in only one way, i.e., 1178480241 + 247905025 = 34329^2 + 15745^2 .

It is a super-3 number, since 3×1426385266³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1426385263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356596315 + ... + 356596318.

Almost surely, 2^1426385266 is an apocalyptic number.

1426385266 is a deficient number, since it is larger than the sum of its proper divisors (713192636).

1426385266 is an equidigital number, since it uses as much as digits as its factorization.

1426385266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713192635.

The product of its digits is 414720, while the sum is 43.

The square root of 1426385266 is about 37767.5160157509. The cubic root of 1426385266 is about 1125.6730829124.

The spelling of 1426385266 in words is "one billion, four hundred twenty-six million, three hundred eighty-five thousand, two hundred sixty-six".