402021410102 has 8 divisors (see below), whose sum is σ = 649419200976. Its totient is φ = 185548343112.

The previous prime is 402021410069. The next prime is 402021410137. The reversal of 402021410102 is 201014120204.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 7731180938 + ... + 7731180989.

It is an arithmetic number, because the mean of its divisors is an integer number (81177400122).

Almost surely, 2^402021410102 is an apocalyptic number.

402021410102 is a deficient number, since it is larger than the sum of its proper divisors (247397790874).

402021410102 is a wasteful number, since it uses less digits than its factorization.

402021410102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15462361942.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 402021410102 its reverse (201014120204), we get a palindrome (603035530306).

The spelling of 402021410102 in words is "four hundred two billion, twenty-one million, four hundred ten thousand, one hundred two".