400513662562106 has 4 divisors (see below), whose sum is σ = 600770493843162. Its totient is φ = 200256831281052.

The previous prime is 400513662562081. The next prime is 400513662562121. The reversal of 400513662562106 is 601265266315004.

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., 400431116100625 + 82546461481 = 20010775^2 + 287309^2 .

It is a super-2 number, since 2×400513662562106² (a number of 30 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, 100128415640525 + ... + 100128415640528.

Almost surely, 2^{400513662562106} is an apocalyptic number.

400513662562106 is a deficient number, since it is larger than the sum of its proper divisors (200256831281056).

400513662562106 is a wasteful number, since it uses less digits than its factorization.

400513662562106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200256831281055.

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 400513662562106 in words is "four hundred trillion, five hundred thirteen billion, six hundred sixty-two million, five hundred sixty-two thousand, one hundred six".