1404142355402 has 16 divisors (see below), whose sum is σ = 2157674085000. Its totient is φ = 684919080960.

The previous prime is 1404142355377. The next prime is 1404142355411. The reversal of 1404142355402 is 2045532414041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1404127831681 + 14523721 = 1184959^2 + 3811^2 .

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 7 ways as a sum of consecutive naturals, for example, 1706474 + ... + 2391722.

Almost surely, 2^{1404142355402} is an apocalyptic number.

1404142355402 is a deficient number, since it is larger than the sum of its proper divisors (753531729598).

1404142355402 is a wasteful number, since it uses less digits than its factorization.

1404142355402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710281.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 1404142355402 its reverse (2045532414041), we get a palindrome (3449674769443).

The spelling of 1404142355402 in words is "one trillion, four hundred four billion, one hundred forty-two million, three hundred fifty-five thousand, four hundred two".