401143412 has 6 divisors (see below), whose sum is σ = 702000978. Its totient is φ = 200571704.

The previous prime is 401143387. The next prime is 401143423. The reversal of 401143412 is 214341104.

It can be written as a sum of positive squares in only one way, i.e., 385572496 + 15570916 = 19636^2 + 3946^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50142923 + ... + 50142930.

It is an arithmetic number, because the mean of its divisors is an integer number (117000163).

Almost surely, 2^401143412 is an apocalyptic number.

It is an amenable number.

401143412 is a deficient number, since it is larger than the sum of its proper divisors (300857566).

401143412 is a wasteful number, since it uses less digits than its factorization.

401143412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100285857 (or 100285855 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 401143412 is about 20028.5649011605. The cubic root of 401143412 is about 737.5076928049.

Adding to 401143412 its reverse (214341104), we get a palindrome (615484516).

The spelling of 401143412 in words is "four hundred one million, one hundred forty-three thousand, four hundred twelve".