1404044140402 has 8 divisors (see below), whose sum is σ = 2132725276800. Its totient is φ = 693135714804.

The previous prime is 1404044140381. The next prime is 1404044140409. The reversal of 1404044140402 is 2040414404041.

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

It is not an unprimeable number, because it can be changed into a prime (1404044140409) 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, 4443177502 + ... + 4443177817.

It is an arithmetic number, because the mean of its divisors is an integer number (266590659600).

Almost surely, 2^{1404044140402} is an apocalyptic number.

1404044140402 is a deficient number, since it is larger than the sum of its proper divisors (728681136398).

1404044140402 is an equidigital number, since it uses as much as digits as its factorization.

1404044140402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8886355400.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 1404044140402 its reverse (2040414404041), we get a palindrome (3444458544443).

The spelling of 1404044140402 in words is "one trillion, four hundred four billion, forty-four million, one hundred forty thousand, four hundred two".