402411663 has 12 divisors (see below), whose sum is σ = 581436648. Its totient is φ = 268193520.

The previous prime is 402411661. The next prime is 402411677. The reversal of 402411663 is 366114204.

It is not a de Polignac number, because 402411663 - 2¹ = 402411661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402411661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48993 + ... + 56613.

It is an arithmetic number, because the mean of its divisors is an integer number (48453054).

Almost surely, 2^402411663 is an apocalyptic number.

402411663 is a deficient number, since it is larger than the sum of its proper divisors (179024985).

402411663 is a wasteful number, since it uses less digits than its factorization.

402411663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13494 (or 13491 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 402411663 is about 20060.2009710770. The cubic root of 402411663 is about 738.2841074595.

Adding to 402411663 its reverse (366114204), we get a palindrome (768525867).

The spelling of 402411663 in words is "four hundred two million, four hundred eleven thousand, six hundred sixty-three".