4002505402 has 32 divisors (see below), whose sum is σ = 7173752832. Its totient is φ = 1637572464.

The previous prime is 4002505399. The next prime is 4002505427. The reversal of 4002505402 is 2045052004.

It is an unprimeable number.

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, 156523 + ... + 180289.

It is an arithmetic number, because the mean of its divisors is an integer number (224179776).

Almost surely, 2^4002505402 is an apocalyptic number.

4002505402 is a deficient number, since it is larger than the sum of its proper divisors (3171247430).

4002505402 is a wasteful number, since it uses less digits than its factorization.

4002505402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24322.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 4002505402 is about 63265.3570447524. The cubic root of 4002505402 is about 1587.7324059441.

Adding to 4002505402 its reverse (2045052004), we get a palindrome (6047557406).

The spelling of 4002505402 in words is "four billion, two million, five hundred five thousand, four hundred two".