42002002 has 32 divisors (see below), whose sum is σ = 79564032. Its totient is φ = 16203264.

The previous prime is 42001997. The next prime is 42002017. The reversal of 42002002 is 20020024.

It is a happy number.

42002002 is a modest number, since divided by 2002 gives 42 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 42002002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1638 + ... + 9310.

It is an arithmetic number, because the mean of its divisors is an integer number (2486376).

Almost surely, 2^42002002 is an apocalyptic number.

42002002 is a deficient number, since it is larger than the sum of its proper divisors (37562030).

42002002 is a wasteful number, since it uses less digits than its factorization.

42002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7722.

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 42002002 is about 6480.8951542206. The cubic root of 42002002 is about 347.6081874210.

Adding to 42002002 its reverse (20020024), we get a palindrome (62022026).

It can be divided in two parts, 4 and 2002002, that multiplied together give a palindrome (8008008).

The spelling of 42002002 in words is "forty-two million, two thousand, two", and thus it is an eban number.