401316442 has 16 divisors (see below), whose sum is σ = 655509600. Its totient is φ = 183541680.

The previous prime is 401316427. The next prime is 401316473. The reversal of 401316442 is 244613104.

It is a super-2 number, since 2×401316442² = 322109773239078728, which contains 22 as substring.

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, 180984 + ... + 183187.

It is an arithmetic number, because the mean of its divisors is an integer number (40969350).

Almost surely, 2^401316442 is an apocalyptic number.

401316442 is a deficient number, since it is larger than the sum of its proper divisors (254193158).

401316442 is a wasteful number, since it uses less digits than its factorization.

401316442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364221.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 401316442 is about 20032.8840160372. The cubic root of 401316442 is about 737.6137169089.

Adding to 401316442 its reverse (244613104), we get a palindrome (645929546).

The spelling of 401316442 in words is "four hundred one million, three hundred sixteen thousand, four hundred forty-two".