1404221586242 has 4 divisors (see below), whose sum is σ = 2106332379366. Its totient is φ = 702110793120.

The previous prime is 1404221586233. The next prime is 1404221586253. The reversal of 1404221586242 is 2426851224041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1125829224601 + 278392361641 = 1061051^2 + 527629^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1404221586242.

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 as a sum of consecutive naturals, namely, 351055396559 + ... + 351055396562.

Almost surely, 2^{1404221586242} is an apocalyptic number.

1404221586242 is a deficient number, since it is larger than the sum of its proper divisors (702110793124).

1404221586242 is an equidigital number, since it uses as much as digits as its factorization.

1404221586242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702110793123.

The product of its (nonzero) digits is 245760, while the sum is 41.

The spelling of 1404221586242 in words is "one trillion, four hundred four billion, two hundred twenty-one million, five hundred eighty-six thousand, two hundred forty-two".