402424020002 has 8 divisors (see below), whose sum is σ = 613531702812. Its totient is φ = 197913452400.

The previous prime is 402424019981. The next prime is 402424020073. The reversal of 402424020002 is 200020424204.

It can be written as a sum of positive squares in 2 ways, for example, as 329270540041 + 73153479961 = 573821^2 + 270469^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1649278649 + ... + 1649278892.

Almost surely, 2^402424020002 is an apocalyptic number.

402424020002 is a deficient number, since it is larger than the sum of its proper divisors (211107682810).

402424020002 is a wasteful number, since it uses less digits than its factorization.

402424020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3298557604.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 402424020002 its reverse (200020424204), we get a palindrome (602444444206).

The spelling of 402424020002 in words is "four hundred two billion, four hundred twenty-four million, twenty thousand, two".