403041442 has 4 divisors (see below), whose sum is σ = 604562166. Its totient is φ = 201520720.

The previous prime is 403041437. The next prime is 403041467. The reversal of 403041442 is 244140304.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 322956841 + 80084601 = 17971^2 + 8949^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100760359 + ... + 100760362.

Almost surely, 2^403041442 is an apocalyptic number.

403041442 is a deficient number, since it is larger than the sum of its proper divisors (201520724).

403041442 is a wasteful number, since it uses less digits than its factorization.

403041442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201520723.

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

The square root of 403041442 is about 20075.8920598812. The cubic root of 403041442 is about 738.6690478299.

Adding to 403041442 its reverse (244140304), we get a palindrome (647181746).

The spelling of 403041442 in words is "four hundred three million, forty-one thousand, four hundred forty-two".