403255502 has 16 divisors (see below), whose sum is σ = 672427392. Its totient is φ = 180113760.

The previous prime is 403255493. The next prime is 403255507. The reversal of 403255502 is 205552304.

It is a super-2 number, since 2×403255502² = 325229999786544008, which contains 22 as substring.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403255507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249353 + ... + 250964.

It is an arithmetic number, because the mean of its divisors is an integer number (42026712).

Almost surely, 2^403255502 is an apocalyptic number.

403255502 is a deficient number, since it is larger than the sum of its proper divisors (269171890).

403255502 is a wasteful number, since it uses less digits than its factorization.

403255502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500363.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 403255502 is about 20081.2226221413. Note that the first 3 decimals coincide. The cubic root of 403255502 is about 738.7997965943.

The spelling of 403255502 in words is "four hundred three million, two hundred fifty-five thousand, five hundred two".