402442404103020 has 24 divisors (see below), whose sum is σ = 1126838731488624. Its totient is φ = 107317974427456.

The previous prime is 402442404103007. The next prime is 402442404103039. The reversal of 402442404103020 is 20301404244204.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3353686700799 + ... + 3353686700918.

It is an arithmetic number, because the mean of its divisors is an integer number (46951613812026).

Almost surely, 2^{402442404103020} is an apocalyptic number.

It is an amenable number.

402442404103020 is an abundant number, since it is smaller than the sum of its proper divisors (724396327385604).

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

402442404103020 is a wasteful number, since it uses less digits than its factorization.

402442404103020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6707373401729 (or 6707373401727 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 402442404103020 its reverse (20301404244204), we get a palindrome (422743808347224).

The spelling of 402442404103020 in words is "four hundred two trillion, four hundred forty-two billion, four hundred four million, one hundred three thousand, twenty".