402441010002 has 12 divisors (see below), whose sum is σ = 871955521710. Its totient is φ = 134147003328.

The previous prime is 402441009983. The next prime is 402441010009. The reversal of 402441010002 is 200010144204.

It can be written as a sum of positive squares in only one way, i.e., 284813275041 + 117627734961 = 533679^2 + 342969^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 22357833889 = 402441010002 / (4 + 0 + 2 + 4 + 4 + 1 + 0 + 1 + 0 + 0 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (402441010009) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 11178916927 + ... + 11178916962.

Almost surely, 2^402441010002 is an apocalyptic number.

402441010002 is an abundant number, since it is smaller than the sum of its proper divisors (469514511708).

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

402441010002 is a wasteful number, since it uses less digits than its factorization.

402441010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22357833897 (or 22357833894 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 402441010002 its reverse (200010144204), we get a palindrome (602451154206).

The spelling of 402441010002 in words is "four hundred two billion, four hundred forty-one million, ten thousand, two".