402104400111 has 24 divisors (see below), whose sum is σ = 603372392064. Its totient is φ = 257769794880.

The previous prime is 402104400109. The next prime is 402104400121. The reversal of 402104400111 is 111004401204.

402104400111 is a `hidden beast` number, since 4 + 0 + 210 + 440 + 0 + 1 + 11 = 666.

It is not a de Polignac number, because 402104400111 - 2¹ = 402104400109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402104400121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4546116 + ... + 4633721.

It is an arithmetic number, because the mean of its divisors is an integer number (25140516336).

Almost surely, 2^402104400111 is an apocalyptic number.

402104400111 is a deficient number, since it is larger than the sum of its proper divisors (201267991953).

402104400111 is a wasteful number, since it uses less digits than its factorization.

402104400111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9180031 (or 9180028 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 402104400111 its reverse (111004401204), we get a palindrome (513108801315).

The spelling of 402104400111 in words is "four hundred two billion, one hundred four million, four hundred thousand, one hundred eleven".