403552042 has 8 divisors (see below), whose sum is σ = 605460996. Its totient is φ = 201731712.

The previous prime is 403552031. The next prime is 403552049. The reversal of 403552042 is 240255304.

It can be written as a sum of positive squares in 2 ways, for example, as 376709281 + 26842761 = 19409^2 + 5181^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 403551998 and 403552016.

It is not an unprimeable number, because it can be changed into a prime (403552049) 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, 9273 + ... + 29884.

Almost surely, 2^403552042 is an apocalyptic number.

403552042 is a deficient number, since it is larger than the sum of its proper divisors (201908954).

403552042 is a wasteful number, since it uses less digits than its factorization.

403552042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44312.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 403552042 is about 20088.6047798248. The cubic root of 403552042 is about 738.9808480702.

The spelling of 403552042 in words is "four hundred three million, five hundred fifty-two thousand, forty-two".