42821076002 has 4 divisors (see below), whose sum is σ = 64231614006. Its totient is φ = 21410538000.

The previous prime is 42821075971. The next prime is 42821076019. The reversal of 42821076002 is 20067012824.

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., 31834053241 + 10987022761 = 178421^2 + 104819^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42821076002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10705268999 + ... + 10705269002.

Almost surely, 2^42821076002 is an apocalyptic number.

42821076002 is a deficient number, since it is larger than the sum of its proper divisors (21410538004).

42821076002 is a wasteful number, since it uses less digits than its factorization.

42821076002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21410538003.

The product of its (nonzero) digits is 10752, while the sum is 32.

Adding to 42821076002 its reverse (20067012824), we get a palindrome (62888088826).

The spelling of 42821076002 in words is "forty-two billion, eight hundred twenty-one million, seventy-six thousand, two".