2002626442 has 4 divisors (see below), whose sum is σ = 3003939666. Its totient is φ = 1001313220.

The previous prime is 2002626433. The next prime is 2002626463. The reversal of 2002626442 is 2446262002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1513287801 + 489338641 = 38901^2 + 22121^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2002626442.

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 as a sum of consecutive naturals, namely, 500656609 + ... + 500656612.

Almost surely, 2^2002626442 is an apocalyptic number.

2002626442 is a deficient number, since it is larger than the sum of its proper divisors (1001313224).

2002626442 is a wasteful number, since it uses less digits than its factorization.

2002626442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001313223.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 2002626442 is about 44750.7144300513. The cubic root of 2002626442 is about 1260.4723269094.

Adding to 2002626442 its reverse (2446262002), we get a palindrome (4448888444).

The spelling of 2002626442 in words is "two billion, two million, six hundred twenty-six thousand, four hundred forty-two".