10406450266 has 4 divisors (see below), whose sum is σ = 15609675402. Its totient is φ = 5203225132.

The previous prime is 10406450221. The next prime is 10406450293. The reversal of 10406450266 is 66205460401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66205460401 = 149 ⋅444331949.

It can be written as a sum of positive squares in only one way, i.e., 6033405625 + 4373044641 = 77675^2 + 66129^2 .

It is a super-3 number, since 3×10406450266³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2601612565 + ... + 2601612568.

Almost surely, 2^10406450266 is an apocalyptic number.

10406450266 is a deficient number, since it is larger than the sum of its proper divisors (5203225136).

10406450266 is an equidigital number, since it uses as much as digits as its factorization.

10406450266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5203225135.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 10406450266 in words is "ten billion, four hundred six million, four hundred fifty thousand, two hundred sixty-six".