1402440242044 has 6 divisors (see below), whose sum is σ = 2454270423584. Its totient is φ = 701220121020.

The previous prime is 1402440242029. The next prime is 1402440242053. The reversal of 1402440242044 is 4402420442041.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1402440241997 and 1402440242015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175305030252 + ... + 175305030259.

Almost surely, 2^{1402440242044} is an apocalyptic number.

It is an amenable number.

1402440242044 is a deficient number, since it is larger than the sum of its proper divisors (1051830181540).

1402440242044 is a wasteful number, since it uses less digits than its factorization.

1402440242044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350610060515 (or 350610060513 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 31.

Adding to 1402440242044 its reverse (4402420442041), we get a palindrome (5804860684085).

The spelling of 1402440242044 in words is "one trillion, four hundred two billion, four hundred forty million, two hundred forty-two thousand, forty-four".