400117463 has 2 divisors, whose sum is σ = 400117464. Its totient is φ = 400117462.

The previous prime is 400117429. The next prime is 400117493. The reversal of 400117463 is 364711004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 400117463 - 2²⁸ = 131682007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400117493) 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 as a sum of consecutive naturals, namely, 200058731 + 200058732.

It is an arithmetic number, because the mean of its divisors is an integer number (200058732).

Almost surely, 2^400117463 is an apocalyptic number.

400117463 is a deficient number, since it is larger than the sum of its proper divisors (1).

400117463 is an equidigital number, since it uses as much as digits as its factorization.

400117463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 400117463 is about 20002.9363594448. The cubic root of 400117463 is about 736.8784155681.

Adding to 400117463 its reverse (364711004), we get a palindrome (764828467).

It can be divided in two parts, 40011 and 7463, that added together give a palindrome (47474).

The spelling of 400117463 in words is "four hundred million, one hundred seventeen thousand, four hundred sixty-three".