4020042002 has 64 divisors (see below), whose sum is σ = 6712243200. Its totient is φ = 1798251840.

The previous prime is 4020041957. The next prime is 4020042011. The reversal of 4020042002 is 2002400204.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12144977 + ... + 12145307.

It is an arithmetic number, because the mean of its divisors is an integer number (104878800).

Almost surely, 2^4020042002 is an apocalyptic number.

4020042002 is a deficient number, since it is larger than the sum of its proper divisors (2692201198).

4020042002 is a wasteful number, since it uses less digits than its factorization.

4020042002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 4020042002 is about 63403.8011636526. The cubic root of 4020042002 is about 1590.0478608538.

Adding to 4020042002 its reverse (2002400204), we get a palindrome (6022442206).

The spelling of 4020042002 in words is "four billion, twenty million, forty-two thousand, two".