400121333402334 has 8 divisors (see below), whose sum is σ = 800242666804680. Its totient is φ = 133373777800776.

The previous prime is 400121333402299. The next prime is 400121333402359. The reversal of 400121333402334 is 433204333121004.

It is a happy number.

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

400121333402334 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 400121333402295 and 400121333402304.

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, 33343444450189 + ... + 33343444450200.

It is an arithmetic number, because the mean of its divisors is an integer number (100030333350585).

Almost surely, 2^{400121333402334} is an apocalyptic number.

400121333402334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400121333402334 is a wasteful number, since it uses less digits than its factorization.

400121333402334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66686888900394.

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 400121333402334 its reverse (433204333121004), we get a palindrome (833325666523338).

The spelling of 400121333402334 in words is "four hundred trillion, one hundred twenty-one billion, three hundred thirty-three million, four hundred two thousand, three hundred thirty-four".