401242312 has 16 divisors (see below), whose sum is σ = 757822860. Its totient is φ = 199156224.

The previous prime is 401242301. The next prime is 401242327. The reversal of 401242312 is 213242104.

It can be written as a sum of positive squares in 2 ways, for example, as 394657956 + 6584356 = 19866^2 + 2566^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 401242312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181953 + ... + 184144.

Almost surely, 2^401242312 is an apocalyptic number.

It is an amenable number.

401242312 is a deficient number, since it is larger than the sum of its proper divisors (356580548).

401242312 is a wasteful number, since it uses less digits than its factorization.

401242312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366240 (or 366236 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 401242312 is about 20031.0337227014. The cubic root of 401242312 is about 737.5682974957.

Adding to 401242312 its reverse (213242104), we get a palindrome (614484416).

It can be divided in two parts, 40124 and 2312, that added together give a square (42436 = 206²).

The spelling of 401242312 in words is "four hundred one million, two hundred forty-two thousand, three hundred twelve".