1440828725654 has 16 divisors (see below), whose sum is σ = 2168137586160. Its totient is φ = 718118485920.

The previous prime is 1440828725639. The next prime is 1440828725663. The reversal of 1440828725654 is 4565278280441.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1440828725654.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689897 + ... + 1832379.

It is an arithmetic number, because the mean of its divisors is an integer number (135508599135).

Almost surely, 2^{1440828725654} is an apocalyptic number.

1440828725654 is a deficient number, since it is larger than the sum of its proper divisors (727308860506).

1440828725654 is a wasteful number, since it uses less digits than its factorization.

1440828725654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144495.

The product of its (nonzero) digits is 17203200, while the sum is 56.

The spelling of 1440828725654 in words is "one trillion, four hundred forty billion, eight hundred twenty-eight million, seven hundred twenty-five thousand, six hundred fifty-four".