1402004342444 has 12 divisors (see below), whose sum is σ = 2457323323224. Its totient is φ = 699911964384.

The previous prime is 1402004342437. The next prime is 1402004342447. The reversal of 1402004342444 is 4442434002041.

It is a self number, because there is not a number n which added to its sum of digits gives 1402004342444.

It is not an unprimeable number, because it can be changed into a prime (1402004342447) 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, 272548817 + ... + 272553960.

It is an arithmetic number, because the mean of its divisors is an integer number (204776943602).

Almost surely, 2^{1402004342444} is an apocalyptic number.

It is an amenable number.

1402004342444 is a deficient number, since it is larger than the sum of its proper divisors (1055318980780).

1402004342444 is a wasteful number, since it uses less digits than its factorization.

1402004342444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545103424 (or 545103422 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 1402004342444 its reverse (4442434002041), we get a palindrome (5844438344485).

The spelling of 1402004342444 in words is "one trillion, four hundred two billion, four million, three hundred forty-two thousand, four hundred forty-four".