402104242034 has 12 divisors (see below), whose sum is σ = 662973523422. Its totient is φ = 182774655360.

The previous prime is 402104241989. The next prime is 402104242063. The reversal of 402104242034 is 430242401204.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 335707836409 + 66396405625 = 579403^2 + 257675^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 402104241994 and 402104242012.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 830793647 + ... + 830794130.

Almost surely, 2^402104242034 is an apocalyptic number.

402104242034 is a deficient number, since it is larger than the sum of its proper divisors (260869281388).

402104242034 is a wasteful number, since it uses less digits than its factorization.

402104242034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661587801 (or 1661587790 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 402104242034 its reverse (430242401204), we get a palindrome (832346643238).

The spelling of 402104242034 in words is "four hundred two billion, one hundred four million, two hundred forty-two thousand, thirty-four".