42402002 has 16 divisors (see below), whose sum is σ = 66916800. Its totient is φ = 20121360.

The previous prime is 42402001. The next prime is 42402023. The reversal of 42402002 is 20020424.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42402001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2774 + ... + 9617.

It is an arithmetic number, because the mean of its divisors is an integer number (4182300).

Almost surely, 2^42402002 is an apocalyptic number.

42402002 is a deficient number, since it is larger than the sum of its proper divisors (24514798).

42402002 is a wasteful number, since it uses less digits than its factorization.

42402002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12481.

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

The square root of 42402002 is about 6511.6819639783. The cubic root of 42402002 is about 348.7081683959.

Adding to 42402002 its reverse (20020424), we get a palindrome (62422426).

The spelling of 42402002 in words is "forty-two million, four hundred two thousand, two".