404555142202 has 8 divisors (see below), whose sum is σ = 642528755316. Its totient is φ = 190378890432.

The previous prime is 404555142143. The next prime is 404555142209. The reversal of 404555142202 is 202241555404.

It can be written as a sum of positive squares in 2 ways, for example, as 393127746001 + 11427396201 = 626999^2 + 106899^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 11898680653 = 404555142202 / (4 + 0 + 4 + 5 + 5 + 5 + 1 + 4 + 2 + 2 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (404555142209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5949340293 + ... + 5949340360.

Almost surely, 2^404555142202 is an apocalyptic number.

404555142202 is a deficient number, since it is larger than the sum of its proper divisors (237973613114).

404555142202 is a wasteful number, since it uses less digits than its factorization.

404555142202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11898680672.

The product of its (nonzero) digits is 64000, while the sum is 34.

Adding to 404555142202 its reverse (202241555404), we get a palindrome (606796697606).

The spelling of 404555142202 in words is "four hundred four billion, five hundred fifty-five million, one hundred forty-two thousand, two hundred two".