401433242 has 16 divisors (see below), whose sum is σ = 689420160. Its totient is φ = 171730608.

The previous prime is 401433211. The next prime is 401433269. The reversal of 401433242 is 242334104.

It is a super-2 number, since 2×401433242² = 322297295565261128, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17942 + ... + 33537.

It is an arithmetic number, because the mean of its divisors is an integer number (43088760).

Almost surely, 2^401433242 is an apocalyptic number.

401433242 is a deficient number, since it is larger than the sum of its proper divisors (287986918).

401433242 is a wasteful number, since it uses less digits than its factorization.

401433242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52045.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 401433242 is about 20035.7990107707. The cubic root of 401433242 is about 737.6852688618.

Adding to 401433242 its reverse (242334104), we get a palindrome (643767346).

The spelling of 401433242 in words is "four hundred one million, four hundred thirty-three thousand, two hundred forty-two".