400311143332 has 6 divisors (see below), whose sum is σ = 700544500838. Its totient is φ = 200155571664.

The previous prime is 400311143329. The next prime is 400311143411. The reversal of 400311143332 is 233341113004.

It can be written as a sum of positive squares in only one way, i.e., 346772587876 + 53538555456 = 588874^2 + 231384^2 .

It is a super-2 number, since 2×400311143332² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 400311143297 and 400311143306.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50038892913 + ... + 50038892920.

Almost surely, 2^400311143332 is an apocalyptic number.

It is an amenable number.

400311143332 is a deficient number, since it is larger than the sum of its proper divisors (300233357506).

400311143332 is a wasteful number, since it uses less digits than its factorization.

400311143332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100077785837 (or 100077785835 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 400311143332 its reverse (233341113004), we get a palindrome (633652256336).

The spelling of 400311143332 in words is "four hundred billion, three hundred eleven million, one hundred forty-three thousand, three hundred thirty-two".