402216463 has 6 divisors (see below), whose sum is σ = 442105832. Its totient is φ = 365651220.

The previous prime is 402216449. The next prime is 402216467. The reversal of 402216463 is 364612204.

It is not a de Polignac number, because 402216463 - 2⁹ = 402215951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402216467) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1661931 + ... + 1662172.

Almost surely, 2^402216463 is an apocalyptic number.

402216463 is a deficient number, since it is larger than the sum of its proper divisors (39889369).

402216463 is a wasteful number, since it uses less digits than its factorization.

402216463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3324125 (or 3324114 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 402216463 is about 20055.3350258728. The cubic root of 402216463 is about 738.1647136652.

Adding to 402216463 its reverse (364612204), we get a palindrome (766828667).

The spelling of 402216463 in words is "four hundred two million, two hundred sixteen thousand, four hundred sixty-three".