402102012442334 has 16 divisors (see below), whose sum is σ = 605947091648640. Its totient is φ = 200119914485280.

The previous prime is 402102012442313. The next prime is 402102012442399. The reversal of 402102012442334 is 433244210201204.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 402102012442334.

It is a congruent number.

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, 63453629 + ... + 69502280.

It is an arithmetic number, because the mean of its divisors is an integer number (37871693228040).

Almost surely, 2^{402102012442334} is an apocalyptic number.

402102012442334 is a deficient number, since it is larger than the sum of its proper divisors (203845079206306).

402102012442334 is a wasteful number, since it uses less digits than its factorization.

402102012442334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132962915.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 402102012442334 its reverse (433244210201204), we get a palindrome (835346222643538).

The spelling of 402102012442334 in words is "four hundred two trillion, one hundred two billion, twelve million, four hundred forty-two thousand, three hundred thirty-four".