402101143402 has 8 divisors (see below), whose sum is σ = 689316245856. Its totient is φ = 172329061452.

The previous prime is 402101143399. The next prime is 402101143489. The reversal of 402101143402 is 204341101204.

It is a happy number.

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, 14360755108 + ... + 14360755135.

It is an arithmetic number, because the mean of its divisors is an integer number (86164530732).

Almost surely, 2^402101143402 is an apocalyptic number.

402101143402 is a deficient number, since it is larger than the sum of its proper divisors (287215102454).

402101143402 is a wasteful number, since it uses less digits than its factorization.

402101143402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28721510252.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 402101143402 its reverse (204341101204), we get a palindrome (606442244606).

The spelling of 402101143402 in words is "four hundred two billion, one hundred one million, one hundred forty-three thousand, four hundred two".