402643522002 has 16 divisors (see below), whose sum is σ = 817306254432. Its totient is φ = 132211305600.

The previous prime is 402643521983. The next prime is 402643522027. The reversal of 402643522002 is 200225346204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500799999 + ... + 500800802.

It is an arithmetic number, because the mean of its divisors is an integer number (51081640902).

Almost surely, 2^402643522002 is an apocalyptic number.

402643522002 is an abundant number, since it is smaller than the sum of its proper divisors (414662732430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402643522002 is a wasteful number, since it uses less digits than its factorization.

402643522002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001600873.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 402643522002 its reverse (200225346204), we get a palindrome (602868868206).

The spelling of 402643522002 in words is "four hundred two billion, six hundred forty-three million, five hundred twenty-two thousand, two".