401340244 has 12 divisors (see below), whose sum is σ = 703126144. Its totient is φ = 200447064.

The previous prime is 401340241. The next prime is 401340253. The reversal of 401340244 is 442043104.

It is a super-2 number, since 2×401340244² = 322147982907959072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401340241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51684 + ... + 58939.

Almost surely, 2^401340244 is an apocalyptic number.

It is an amenable number.

401340244 is a deficient number, since it is larger than the sum of its proper divisors (301785900).

401340244 is a wasteful number, since it uses less digits than its factorization.

401340244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111534 (or 111532 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 401340244 is about 20033.4780804532. The cubic root of 401340244 is about 737.6282991959.

Adding to 401340244 its reverse (442043104), we get a palindrome (843383348).

The spelling of 401340244 in words is "four hundred one million, three hundred forty thousand, two hundred forty-four".