402121450334 has 8 divisors (see below), whose sum is σ = 603211277448. Its totient is φ = 201051024520.

The previous prime is 402121450279. The next prime is 402121450363. The reversal of 402121450334 is 433054121204.

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

It is a junction number, because it is equal to n+sod(n) for n = 402121450297 and 402121450306.

It is a congruent number.

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, 4798397 + ... + 4881480.

It is an arithmetic number, because the mean of its divisors is an integer number (75401409681).

Almost surely, 2^402121450334 is an apocalyptic number.

402121450334 is a deficient number, since it is larger than the sum of its proper divisors (201089827114).

402121450334 is a wasteful number, since it uses less digits than its factorization.

402121450334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9700650.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 402121450334 its reverse (433054121204), we get a palindrome (835175571538).

The spelling of 402121450334 in words is "four hundred two billion, one hundred twenty-one million, four hundred fifty thousand, three hundred thirty-four".