401143850 has 12 divisors (see below), whose sum is σ = 746127654. Its totient is φ = 160457520.

The previous prime is 401143843. The next prime is 401143867. The reversal of 401143850 is 58341104.

It can be written as a sum of positive squares in 3 ways, for example, as 341251729 + 59892121 = 18473^2 + 7739^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4011389 + ... + 4011488.

Almost surely, 2^401143850 is an apocalyptic number.

401143850 is a deficient number, since it is larger than the sum of its proper divisors (344983804).

401143850 is a wasteful number, since it uses less digits than its factorization.

401143850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8022889 (or 8022884 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 401143850 is about 20028.5758355406. The cubic root of 401143850 is about 737.5079612279.

Adding to 401143850 its reverse (58341104), we get a palindrome (459484954).

The spelling of 401143850 in words is "four hundred one million, one hundred forty-three thousand, eight hundred fifty".