400611938122 has 16 divisors (see below), whose sum is σ = 655556994144. Its totient is φ = 182093506000.

The previous prime is 400611938113. The next prime is 400611938141. The reversal of 400611938122 is 221839116004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2085597 + ... + 2269567.

It is an arithmetic number, because the mean of its divisors is an integer number (40972312134).

Almost surely, 2^400611938122 is an apocalyptic number.

400611938122 is a deficient number, since it is larger than the sum of its proper divisors (254945056022).

400611938122 is a wasteful number, since it uses less digits than its factorization.

400611938122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282965.

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 400611938122 in words is "four hundred billion, six hundred eleven million, nine hundred thirty-eight thousand, one hundred twenty-two".