400555322162 has 4 divisors (see below), whose sum is σ = 600832983246. Its totient is φ = 200277661080.

The previous prime is 400555322143. The next prime is 400555322177. The reversal of 400555322162 is 261223555004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 305776926841 + 94778395321 = 552971^2 + 307861^2 .

It is a super-2 number, since 2×400555322162² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100138830539 + ... + 100138830542.

Almost surely, 2^400555322162 is an apocalyptic number.

400555322162 is a deficient number, since it is larger than the sum of its proper divisors (200277661084).

400555322162 is a wasteful number, since it uses less digits than its factorization.

400555322162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200277661083.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 400555322162 its reverse (261223555004), we get a palindrome (661778877166).

The spelling of 400555322162 in words is "four hundred billion, five hundred fifty-five million, three hundred twenty-two thousand, one hundred sixty-two".