404342040102 has 128 divisors (see below), whose sum is σ = 1115131788288. Its totient is φ = 94324953600.

The previous prime is 404342040073. The next prime is 404342040163. The reversal of 404342040102 is 201040243404.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 in 63 ways as a sum of consecutive naturals, for example, 687549 + ... + 1131992.

It is an arithmetic number, because the mean of its divisors is an integer number (8711967096).

Almost surely, 2^404342040102 is an apocalyptic number.

404342040102 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

404342040102 is an abundant number, since it is smaller than the sum of its proper divisors (710789748186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404342040102 is a wasteful number, since it uses less digits than its factorization.

404342040102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819614.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 404342040102 its reverse (201040243404), we get a palindrome (605382283506).

The spelling of 404342040102 in words is "four hundred four billion, three hundred forty-two million, forty thousand, one hundred two".