403042004 has 6 divisors (see below), whose sum is σ = 705323514. Its totient is φ = 201521000.

The previous prime is 403041973. The next prime is 403042009. The reversal of 403042004 is 400240304.

It can be written as a sum of positive squares in only one way, i.e., 394101904 + 8940100 = 19852^2 + 2990^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403042009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50380247 + ... + 50380254.

It is an arithmetic number, because the mean of its divisors is an integer number (117553919).

Almost surely, 2^403042004 is an apocalyptic number.

It is an amenable number.

403042004 is a deficient number, since it is larger than the sum of its proper divisors (302281510).

403042004 is a wasteful number, since it uses less digits than its factorization.

403042004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100760505 (or 100760503 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 403042004 is about 20075.9060567637. The cubic root of 403042004 is about 738.6693911625.

Adding to 403042004 its reverse (400240304), we get a palindrome (803282308).

The spelling of 403042004 in words is "four hundred three million, forty-two thousand, four".