400005476533 has 4 divisors (see below), whose sum is σ = 430775128588. Its totient is φ = 369235824480.

The previous prime is 400005476513. The next prime is 400005476543. The reversal of 400005476533 is 335674500004.

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

It can be written as a sum of positive squares in 2 ways, for example, as 260011267569 + 139994208964 = 509913^2 + 374158^2 .

It is a cyclic number.

It is not a de Polignac number, because 400005476533 - 2⁹ = 400005476021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400005476492 and 400005476501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400005476513) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 15384826008 + ... + 15384826033.

It is an arithmetic number, because the mean of its divisors is an integer number (107693782147).

Almost surely, 2^400005476533 is an apocalyptic number.

It is an amenable number.

400005476533 is a deficient number, since it is larger than the sum of its proper divisors (30769652055).

400005476533 is a wasteful number, since it uses less digits than its factorization.

400005476533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30769652054.

The product of its (nonzero) digits is 151200, while the sum is 37.

Adding to 400005476533 its reverse (335674500004), we get a palindrome (735679976537).

The spelling of 400005476533 in words is "four hundred billion, five million, four hundred seventy-six thousand, five hundred thirty-three".