404287506669142 has 16 divisors (see below), whose sum is σ = 606589302429360. Its totient is φ = 202091079389472.

The previous prime is 404287506669119. The next prime is 404287506669143. The reversal of 404287506669142 is 241966605782404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404287506669143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116631793 + ... + 120048115.

It is an arithmetic number, because the mean of its divisors is an integer number (37911831401835).

Almost surely, 2^{404287506669142} is an apocalyptic number.

404287506669142 is a deficient number, since it is larger than the sum of its proper divisors (202301795760218).

404287506669142 is a wasteful number, since it uses less digits than its factorization.

404287506669142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3431727.

The product of its (nonzero) digits is 139345920, while the sum is 64.

The spelling of 404287506669142 in words is "four hundred four trillion, two hundred eighty-seven billion, five hundred six million, six hundred sixty-nine thousand, one hundred forty-two".