1427855284424 has 8 divisors (see below), whose sum is σ = 2677228658310. Its totient is φ = 713927642208.

The previous prime is 1427855284403. The next prime is 1427855284441. The reversal of 1427855284424 is 4244825587241.

It can be written as a sum of positive squares in only one way, i.e., 870022562500 + 557832721924 = 932750^2 + 746882^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1427855284424.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89240955269 + ... + 89240955284.

Almost surely, 2^{1427855284424} is an apocalyptic number.

It is an amenable number.

1427855284424 is a deficient number, since it is larger than the sum of its proper divisors (1249373373886).

1427855284424 is a wasteful number, since it uses less digits than its factorization.

1427855284424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178481910559 (or 178481910555 counting only the distinct ones).

The product of its digits is 22937600, while the sum is 56.

The spelling of 1427855284424 in words is "one trillion, four hundred twenty-seven billion, eight hundred fifty-five million, two hundred eighty-four thousand, four hundred twenty-four".