1400026266 has 24 divisors (see below), whose sum is σ = 3074946420. Its totient is φ = 460282176.

The previous prime is 1400026253. The next prime is 1400026289. The reversal of 1400026266 is 6626200041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1334075625 + 65950641 = 36525^2 + 8121^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 531421 + ... + 534048.

Almost surely, 2^1400026266 is an apocalyptic number.

1400026266 is an abundant number, since it is smaller than the sum of its proper divisors (1674920154).

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

1400026266 is a wasteful number, since it uses less digits than its factorization.

1400026266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065550 (or 1065547 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1400026266 is about 37416.9248602821. The cubic root of 1400026266 is about 1118.6959381052.

The spelling of 1400026266 in words is "one billion, four hundred million, twenty-six thousand, two hundred sixty-six".