401442112 has 14 divisors (see below), whose sum is σ = 796611818. Its totient is φ = 200721024.

The previous prime is 401442101. The next prime is 401442113. The reversal of 401442112 is 211244104.

It can be written as a sum of positive squares in only one way, i.e., 225720576 + 175721536 = 15024^2 + 13256^2 .

It is a super-2 number, since 2×401442112² = 322311538574041088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401442112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401442113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3136203 + ... + 3136330.

Almost surely, 2^401442112 is an apocalyptic number.

It is an amenable number.

401442112 is a deficient number, since it is larger than the sum of its proper divisors (395169706).

401442112 is an equidigital number, since it uses as much as digits as its factorization.

401442112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6272545 (or 6272535 counting only the distinct ones).

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

The square root of 401442112 is about 20036.0203633356. The cubic root of 401442112 is about 737.6907020775.

Adding to 401442112 its reverse (211244104), we get a palindrome (612686216).

The spelling of 401442112 in words is "four hundred one million, four hundred forty-two thousand, one hundred twelve".