400134030322 has 8 divisors (see below), whose sum is σ = 646370356716. Its totient is φ = 184677244752.

The previous prime is 400134030311. The next prime is 400134030341. The reversal of 400134030322 is 223030431004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 397228928121 + 2905102201 = 630261^2 + 53899^2 .

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 = 400134030293 and 400134030302.

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, 7694885173 + ... + 7694885224.

Almost surely, 2^400134030322 is an apocalyptic number.

400134030322 is a deficient number, since it is larger than the sum of its proper divisors (246236326394).

400134030322 is a wasteful number, since it uses less digits than its factorization.

400134030322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15389770412.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 400134030322 its reverse (223030431004), we get a palindrome (623164461326).

The spelling of 400134030322 in words is "four hundred billion, one hundred thirty-four million, thirty thousand, three hundred twenty-two".