4004255402 has 32 divisors (see below), whose sum is σ = 7109155200. Its totient is φ = 1690476480.

The previous prime is 4004255389. The next prime is 4004255407. The reversal of 4004255402 is 2045524004.

It is a super-2 number, since 2×4004255402² = 32068122648892363208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4004255407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2402 + ... + 89522.

It is an arithmetic number, because the mean of its divisors is an integer number (222161100).

Almost surely, 2^4004255402 is an apocalyptic number.

4004255402 is a deficient number, since it is larger than the sum of its proper divisors (3104899798).

4004255402 is an equidigital number, since it uses as much as digits as its factorization.

4004255402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87211 (or 87197 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 4004255402 is about 63279.1861673331. The cubic root of 4004255402 is about 1587.9637715998.

Adding to 4004255402 its reverse (2045524004), we get a palindrome (6049779406).

The spelling of 4004255402 in words is "four billion, four million, two hundred fifty-five thousand, four hundred two".