401244112 has 10 divisors (see below), whose sum is σ = 777410498. Its totient is φ = 200622048.

The previous prime is 401244101. The next prime is 401244139. The reversal of 401244112 is 211442104.

It can be written as a sum of positive squares in only one way, i.e., 300120976 + 101123136 = 17324^2 + 10056^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 401244112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12538863 + ... + 12538894.

Almost surely, 2^401244112 is an apocalyptic number.

It is an amenable number.

401244112 is a deficient number, since it is larger than the sum of its proper divisors (376166386).

401244112 is a wasteful number, since it uses less digits than its factorization.

401244112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25077765 (or 25077759 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 401244112 is about 20031.0786529333. The cubic root of 401244112 is about 737.5694004211.

Adding to 401244112 its reverse (211442104), we get a palindrome (612686216).

The spelling of 401244112 in words is "four hundred one million, two hundred forty-four thousand, one hundred twelve".