425487727144 has 32 divisors (see below), whose sum is σ = 846279829800. Its totient is φ = 199859374080.

The previous prime is 425487727141. The next prime is 425487727151. The reversal of 425487727144 is 441727784524.

It can be written as a sum of positive squares in 4 ways, for example, as 380059920100 + 45427807044 = 616490^2 + 213138^2 .

It is not an unprimeable number, because it can be changed into a prime (425487727141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2817909 + ... + 2965060.

Almost surely, 2^425487727144 is an apocalyptic number.

It is an amenable number.

425487727144 is a deficient number, since it is larger than the sum of its proper divisors (420792102656).

425487727144 is a wasteful number, since it uses less digits than its factorization.

425487727144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5783533 (or 5783529 counting only the distinct ones).

The product of its digits is 14049280, while the sum is 55.

The spelling of 425487727144 in words is "four hundred twenty-five billion, four hundred eighty-seven million, seven hundred twenty-seven thousand, one hundred forty-four".