401143250 has 16 divisors (see below), whose sum is σ = 750940632. Its totient is φ = 160457200.

The previous prime is 401143243. The next prime is 401143279. The reversal of 401143250 is 52341104.

It can be written as a sum of positive squares in 4 ways, for example, as 112381201 + 288762049 = 10601^2 + 16993^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 802037 + ... + 802536.

Almost surely, 2^401143250 is an apocalyptic number.

401143250 is a deficient number, since it is larger than the sum of its proper divisors (349797382).

401143250 is a wasteful number, since it uses less digits than its factorization.

401143250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604590 (or 1604580 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 401143250 is about 20028.5608569363. The cubic root of 401143250 is about 737.5075935252.

Adding to 401143250 its reverse (52341104), we get a palindrome (453484354).

The spelling of 401143250 in words is "four hundred one million, one hundred forty-three thousand, two hundred fifty".