400300463 has 2 divisors, whose sum is σ = 400300464. Its totient is φ = 400300462.

The previous prime is 400300393. The next prime is 400300469. The reversal of 400300463 is 364003004.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400300463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400300469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200150231 + 200150232.

It is an arithmetic number, because the mean of its divisors is an integer number (200150232).

Almost surely, 2^400300463 is an apocalyptic number.

400300463 is a deficient number, since it is larger than the sum of its proper divisors (1).

400300463 is an equidigital number, since it uses as much as digits as its factorization.

400300463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 400300463 is about 20007.5101649356. The cubic root of 400300463 is about 736.9907394141.

Adding to 400300463 its reverse (364003004), we get a palindrome (764303467).

The spelling of 400300463 in words is "four hundred million, three hundred thousand, four hundred sixty-three".