403421042 has 16 divisors (see below), whose sum is σ = 625688064. Its totient is φ = 194880000.

The previous prime is 403421009. The next prime is 403421063. The reversal of 403421042 is 240124304.

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, 34667 + ... + 44817.

It is an arithmetic number, because the mean of its divisors is an integer number (39105504).

Almost surely, 2^403421042 is an apocalyptic number.

403421042 is a deficient number, since it is larger than the sum of its proper divisors (222267022).

403421042 is a wasteful number, since it uses less digits than its factorization.

403421042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10825.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 403421042 is about 20085.3439602114. The cubic root of 403421042 is about 738.9008774114.

Adding to 403421042 its reverse (240124304), we get a palindrome (643545346).

The spelling of 403421042 in words is "four hundred three million, four hundred twenty-one thousand, forty-two".