1295542572444 has 18 divisors (see below), whose sum is σ = 3274843724880. Its totient is φ = 431847524136.

The previous prime is 1295542572391. The next prime is 1295542572449. The reversal of 1295542572444 is 4442752455921.

1295542572444 is a `hidden beast` number, since 1 + 2 + 9 + 5 + 542 + 57 + 2 + 4 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1295542572449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17993646804 + ... + 17993646875.

Almost surely, 2^{1295542572444} is an apocalyptic number.

It is an amenable number.

1295542572444 is an abundant number, since it is smaller than the sum of its proper divisors (1979301152436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1295542572444 is a wasteful number, since it uses less digits than its factorization.

1295542572444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35987293689 (or 35987293684 counting only the distinct ones).

The product of its digits is 16128000, while the sum is 54.

The spelling of 1295542572444 in words is "one trillion, two hundred ninety-five billion, five hundred forty-two million, five hundred seventy-two thousand, four hundred forty-four".