401194841266 has 16 divisors (see below), whose sum is σ = 618259973400. Its totient is φ = 195111745920.

The previous prime is 401194841249. The next prime is 401194841269. The reversal of 401194841266 is 662148491104.

It can be written as a sum of positive squares in 4 ways, for example, as 350848905625 + 50345935641 = 592325^2 + 224379^2 .

It is not an unprimeable number, because it can be changed into a prime (401194841269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663445 + ... + 1114696.

Almost surely, 2^401194841266 is an apocalyptic number.

401194841266 is a deficient number, since it is larger than the sum of its proper divisors (217065132134).

401194841266 is a wasteful number, since it uses less digits than its factorization.

401194841266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781229.

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 401194841266 in words is "four hundred one billion, one hundred ninety-four million, eight hundred forty-one thousand, two hundred sixty-six".